The Jieli BR21 is a common Bluetooth controller chip often found in affordable Bluetooth adapters, headsets, and automotive DIY modules. If you are searching for a "free driver," the most important thing to know is that this device is designed to be "Plug and Play," meaning it typically does not require a manual driver installation on modern operating systems. Key Information for Users Generic Bluetooth Stack: The Jieli BR21
utilizes the standard Bluetooth protocols supported natively by Windows (10 and 11), macOS, and Linux. When you plug in a BR21-based device, the operating system should automatically identify it as a "Generic Bluetooth Radio" or "Bluetooth Enumerator."
Driver Availability: There is no official "standalone" driver installer from Jieli (Zhuhai Jieli Technology Co., Ltd) for end-users. The company primarily provides SDKs and tools to manufacturers rather than direct consumer software.
Common Issues & Solutions: If your device isn't working, it is rarely due to a missing specific Jieli driver. Instead, try these steps:
Windows Update: Go to Settings > Update & Security > Windows Update and check for "Optional Updates." Manufacturers often push specific hardware fixes through this channel.
Device Manager: If the device shows an error (yellow triangle), right-click it in Device Manager and select "Update driver" -> "Search automatically for drivers."
Hardware Conflicts: Cheap BR21 dongles can sometimes conflict with built-in laptop Bluetooth. Disabling the integrated Bluetooth in your BIOS or Device Manager often resolves connection issues. Safety Warning
Be cautious of third-party websites claiming to offer a "Jieli BR21 Driver Download." Because Jieli does not release consumer drivers, these files are often malware or "driver updater" scams that can harm your computer. Stick to drivers provided automatically by your operating system.
Are you having trouble getting a specific device to connect, or does it show up as an "Unknown Device" in your settings?
If you’ve recently purchased a pair of budget wireless earbuds, a portable speaker, or a car hands-free kit, there’s a good chance it runs on the Jieli BR21 Bluetooth audio chip. One of the most common searches surrounding this hardware is “Jieli BR21 driver free.”
So, what does that actually mean?
The Short Answer: Yes, the Jieli BR21 is designed to be driver-free for standard use.
Unlike a printer or a graphics card from the early 2000s, you do not need to install a specific .exe or .inf driver file on your computer to make the BR21 chip function. The chip uses standard Bluetooth profiles (HFP for calls, A2DP for stereo music, AVRCP for controls) that are natively supported by Windows, macOS, Linux, Android, and iOS.
Why People Search for "Driver Free" Users typically search for this term for two reasons:
The Only Exception While the audio functions are driver-free, if you are using a Jieli BR21 USB dongle on an older version of Windows (like Windows 7 or XP), the dongle itself may require a generic Bluetooth radio driver. However, on Windows 10 and 11, the OS handles this automatically via inbox drivers.
Troubleshooting (If It’s Not Working) If your BR21 device isn’t connecting “driver free”:
Bottom Line: The Jieli BR21 is a plug-and-play, driver-free chip for standard audio. If you’re being asked to install a driver, you’re likely dealing with a vendor’s optional “audio enhancement” tool, not a requirement for basic functionality.
The JieLi BR21 (and its relative BR17) is often misidentified by modern operating systems as a USB Sound Card or storage device rather than a standard Bluetooth dongle. This is because the chip is primarily designed as a "Music Transmitter" rather than a generic Bluetooth adapter. Driver & Recognition Guide
Because these chips use standard USB audio/HID classes, a specific "JieLi" driver is rarely required for basic playback. Instead, you must ensure the OS treats it as the correct device type. Windows 10/11:
The device often appears in Device Manager as an "Audio Device" rather than having a "Bluetooth" button in settings.
If it is not recognized, search for generic Borofone BR21 Stereo drivers or generic Bluetooth audio drivers on sites like DriverIdentifier.
Tip: If seen as a storage device, try unplugging and re-plugging it to trigger the "Audio" mode. Linux (Ubuntu/Debian):
It may be listed in the terminal (via lsusb) as "Jieli Technology USB Composite Device".
If it fails to switch from storage mode to Bluetooth mode, you can force it using usb_modeswitch with the following command:sudo usb_modeswitch -v 0xe5b7 -p 0x0811 -W. Hardware Developers:
For chip-level programming or upgrading, use the Jieli USB Dongle 4.0 Update Tool.
The chip may identify as BR21 UBOOT1.00 when in developer mode. Troubleshooting Connectivity
Pairing Mode: Once recognized, the blue LED on the dongle should flash quickly. Put your headphones/speakers into pairing mode nearby; the dongle usually pairs automatically without a software interface.
No "Bluetooth" Icon: On Windows, you might not see the standard Bluetooth toggle. Instead, look for it under Sound Settings as a playback device.
JTAG/Update Errors: If using the AXTEK Update Tool, ensure the DIP switches are set correctly for the BR21 (usually the lower four bits remained unswitched for standard USBkey sending). christian-kramer/JieLi-AC690X-Familiarization - GitHub
If you’ve recently plugged in a cheap Bluetooth dongle and seen it pop up as a "Jieli BR21" storage device instead of a Bluetooth adapter, you aren't alone. It’s a common frustration for PC users looking for a quick wireless fix.
Today, we’re breaking down what this chip actually is and how you can get it working—completely for free. What is a Jieli BR21?
Contrary to what the packaging might say, many Jieli BR21 devices are actually Bluetooth receivers with USB audio capabilities rather than standard Bluetooth "sticks" that allow you to connect mice or keyboards.
In many cases, the computer sees the device as a USB Sound Card. This means you don't actually need a proprietary driver; your operating system (Windows, macOS, or Linux) should use its built-in "USB Audio Class" drivers to run it automatically. How to Get it Working (Free & Fast) 1. Check your "Sound" Settings
Before hunting for sketchy ".exe" files online, check if your computer already recognizes it as an audio device.
Windows: Go to Settings > System > Sound. Look for an output device labeled "USB Audio" or "Jieli."
Linux: Open your terminal and type lsusb. If you see "Jieli" or "USB Audio," the system sees the hardware, but it’s treating it as a sound card. 2. Use Built-in OS Update Tools
You should never have to pay for a Jieli driver. If the device isn't working:
Windows Update: Go to Settings > Update & Security > Windows Update > View optional updates. Often, the driver for generic chips like Jieli is tucked away in the "Driver updates" section.
Device Manager: Right-click the Start button, select Device Manager, find the "Unknown Device" (or the Jieli entry), right-click it, and select Update Driver > Search automatically. 3. The "Storage Mode" Glitch
Sometimes these dongles get stuck in "mass storage" mode (showing up like a USB thumb drive). If this happens, the computer won't try to use it as Bluetooth. Try unplugging it and plugging it into a different USB port (preferably a USB 2.0 port) to force the handshake to reset. A Word of Caution jieli br21 driver free
Be extremely careful of websites promising "Jieli BR21 Driver Free Download." Many of these are "driver updater" scams that bundle malware with their software. Because Jieli is a generic manufacturer (OEM), they rarely provide direct consumer-facing download portals.
Pro Tip: If your PC still won't recognize it as a Bluetooth adapter for data (like file transfers), it’s likely that your specific BR21 model is audio-only. In that case, no driver in the world will make it work with a Bluetooth mouse; it’s strictly for sending music to your speakers.
Need help identifying your specific hardware ID? Drop a comment below with your device's "Hardware ID" from the Device Manager, and let's troubleshoot together!
How to find it: Right-click the device in Device Manager > Properties > Details > Select Hardware Ids from the dropdown. Jieli BR21 Bluetooth dongle shown as storage device
Downloading and Installing Jieli BR21 Driver for Free
Are you in search of a reliable and efficient way to connect your Jieli BR21 device to your computer? Look no further. The Jieli BR21 driver is a crucial piece of software that ensures seamless communication between your device and computer. In this article, we'll guide you through the process of downloading and installing the Jieli BR21 driver free of charge.
What is the Jieli BR21 Driver?
The Jieli BR21 driver is a software component designed to facilitate communication between your Jieli BR21 device and your computer's operating system. This driver acts as a bridge, enabling your computer to recognize and interact with your device efficiently.
Why Do You Need the Jieli BR21 Driver?
Without the Jieli BR21 driver, your computer may not be able to recognize your device, limiting its functionality. Installing the driver ensures that you can:
Where to Download the Jieli BR21 Driver for Free
To download the Jieli BR21 driver for free, follow these steps:
How to Install the Jieli BR21 Driver
Once you've downloaded the driver, follow these installation steps:
Troubleshooting Tips
If you encounter issues during the installation process or your device is not recognized after installation:
Conclusion
Downloading and installing the Jieli BR21 driver for free is a straightforward process that requires attention to detail and careful selection of sources. By following the steps outlined in this article, you should be able to connect your Jieli BR21 device to your computer efficiently and enjoy its full range of features.
JieLi BR21 (often part of the AC69 series) is primarily a Bluetooth audio chip found in devices like USB dongles, external sound cards, and audio interfaces. While users often search for a "driver" to enable full Bluetooth functionality, these chips typically act as USB Sound Cards
with Bluetooth receiving capabilities rather than standard Bluetooth adapters. Essential Technical Facts Plug-and-Play Nature
: Under Windows 10 and 11, the JieLi BR21 should be recognized automatically as an Audio Device USB Input Device using generic system drivers. Functional Limitations
: Unlike a dedicated Bluetooth dongle, it often only handles audio streams. It cannot connect to non-audio devices (like keyboards or mice) because the OS sees it as a sound card, not a Bluetooth radio. Manufacturer : The chip is manufactured by ZhuHai Jieli Technology Co., Ltd
, which provides SDKs for developers but does not typically offer direct "free" consumer driver downloads. Troubleshooting & "Driver" Solutions
If your device is not working or is incorrectly identified as a storage device, try these steps: Check Windows Update : Look under Optional Updates
to see if a specific JieLi or generic audio driver is available. Manual Driver Identification : Use tools like DriverIdentifier to find compatible driver packages for the Borofone BR21 or similar OEM brands. Force Update via Device Manager Device Manager
Locate the device (likely under "Sound, video and game controllers" or "Other devices"). Right-click and select Update Driver Search automatically for drivers Linux/Ubuntu Fix : If it shows up as a storage device, use usb_modeswitch to force it into audio mode. Safety Warning
Be cautious of websites offering "JieLi BR21 Driver Free Download." Since the hardware is designed to use standard Microsoft/Universal drivers
, third-party executable files (EXE) from unverified sites often contain malware or bloatware. Always prefer the drivers provided by your specific hardware brand (e.g., Borofone, Pyle, or Teclast). Are you trying to connect a specific device (like a headset or mixer) that isn't showing up? Jieli BR21 Bluetooth dongle shown as storage device
Jieli BR21 is a common Bluetooth-to-USB audio chip found in budget audio interfaces, mixers (like Pyle or Borofone), and generic Bluetooth dongles. Most users don't actually need a manual driver download because the chip is designed to be Plug-and-Play (PnP) using standard USB Class drivers. 🛠️ Step 1: Fix "Device Not Recognized"
If your computer sees the device as "Jieli BR21" but there is no sound, Windows likely assigned the wrong generic driver. Open Device Manager : Right-click the button and select Device Manager Locate the Device : Look under Sound, video and game controllers Universal Serial Bus controllers Update Driver Right-click Jieli BR21 Update driver Browse my computer for drivers Let me pick from a list of available drivers USB Audio Device (not "Jieli BR21") and click
: This often forces the OS to treat the device as a standard sound card. 📻 Step 2: Use the "Audio Bridge" Mode
Many Jieli BR21 devices act as a "USB Sound Card" rather than a true Bluetooth receiver. For Windows/Mac
: When you plug it in, your PC doesn't "get" Bluetooth; it thinks you just plugged in a headset. : Put your headphones into pairing mode next to the dongle
. The dongle will pair automatically with the strongest nearby signal. : The audio flows: PC → USB → Dongle → Bluetooth → Headphones 📂 Step 3: Solve the "Storage Device" Issue If the device appears as a small Flash Drive instead of a sound card: Mode Switch
: Some Jieli chips have a "dual-mode." Try pressing the physical button on the device (if it has one) to switch from storage/update mode to audio mode. Linux/Ubuntu Users : You may need usb-modeswitch . Use the terminal command: sudo usb_modeswitch -v 0xe5b7 -p 0x0811 -W ⚠️ Important Warning on "Free Downloads" Avoid websites offering "Jieli BR21 Driver Installers" or files. Because Jieli is an OEM chip manufacturer , they do not provide consumer-facing drivers. Generic Drivers : You already have them in Windows (USB Audio 2.0). Malware Risk
: Third-party "driver updater" sites often bundle malware or adware with these generic files. 🔍 Troubleshooting FAQ Yellow exclamation mark Uninstall the device in Device Manager and replug it. No Sound / Mic levels 0 Check Privacy Settings: Settings > Privacy > Microphone > Allow desktop apps BR21 shows as "UBOOT"
The device is in "Flash Mode." Unplug it and hold the main button while plugging it back in to reset. If you're still having trouble, could you tell me: brand/model
is the actual product? (e.g., a Pyle Mixer, a Borofone adapter?) Are you trying to send audio TO the PC FROM the PC Operating System are you using?
I can then find the specific manual for your hardware brand. Jieli BR21 Bluetooth dongle shown as storage device The Jieli BR21 is a common Bluetooth controller
I can confirm this works with Ubuntu 22.04. Using at terminal lsusb lists as: "ID 4c4a:4155 Jieli Technology USB Composite Device" Ask Ubuntu Jieli BR21 Bluetooth dongle shown as storage device
I notice you're asking for a "long story" about the Jieli BR21 driver and the word "free" — but this seems potentially related to a technical or software request.
To be clear:
However, I suspect your request might be misworded, or you're looking for a fictional story involving technology and the concept of "being free from drivers."
Could you clarify which one applies?
Once you confirm, I'll happily provide the correct response in full detail.
The Jieli BR21 driver is a essential component for users of Jieli Technology’s Bluetooth audio adapters, USB sound cards, and mixers. While these devices are often marketed as Bluetooth dongles, many systems identify them as USB Composite Devices or USB Sound Cards, which require specific drivers to enable high-fidelity audio transmission and receiving capabilities. Why You Need the Jieli BR21 Driver
Most Jieli chips are designed to bridge the gap between digital USB signals and wireless Bluetooth audio. Without the proper driver, your Windows PC might recognize the device only as a generic storage unit or fail to show the Bluetooth "pair" button altogether. Installing the driver ensures:
Hi-Fi Audio Output: Unlocks noise reduction and high-quality sound processing built into the Jieli chipset.
Full Bluetooth Functionality: Enables the device to switch from a "storage" mode to a pairing mode, indicated by a flashing blue LED.
System Compatibility: Fixes "sound not working" errors on Windows 10 and 11 by providing the correct hardware ID mapping. Where to Download Jieli BR21 Driver for Free
Because Jieli is a chipset manufacturer, drivers are often bundled by third-party device makers (like Borofone or various "no-name" mixer brands). You can find free downloads on these trusted driver repositories:
DriverDouble: Offers a setup package (v4.2.8) compatible with Windows XP through Windows 10.
DriverIdentifier: A reliable source for scanning your specific hardware ID and matching it with the correct Jieli or Borofone BR21 stereo driver.
Driver Scape: Provides general Bluetooth device drivers that often support Jieli-based hardware for Windows 10 and 11 (64-bit). How to Install the Driver
The Jieli BR21 (or JieLi BR21) is a low-cost, all-in-one Bluetooth and USB audio interface chip frequently found in budget-friendly Chinese audio equipment, such as small mixing boards, Bluetooth dongles, and MP3 modules. Understanding the Jieli BR21 "Driver"
In most cases, a separate downloadable "driver" is not required because the Jieli BR21 is designed to be a Plug and Play (PnP) device.
Operating System Recognition: Windows typically identifies these devices as a "USB Sound Device" or "JieLi BR21" using standard, built-in USB audio drivers.
Dual Functionality: Some BR21-based dongles may incorrectly appear as a "storage device" or mass storage unit instead of an audio device. In these instances, users may need tools like usb-modeswitch (on Linux) or simple OS re-scanning to force it into audio mode. Common Issues and Solutions
While "driver free" implies easy setup, users often report functional hurdles with these chips:
"Alien" Sound and Bitrate: Audio input (microphones) might sound distorted or "alien-like" if the bitrate is mismatched.
Fix: Check your Windows Sound Settings and ensure the device is set to 16-bit audio, which is the standard limit for many low-cost Jieli interfaces.
Device Recognition as Audio but No Connectivity: On Windows 10, the device might show up in the Device Manager, but the "Bluetooth" button may not appear, or the system might not output sound through it.
Fix: This often happens because the chip is behaving as a USB sound card that receives Bluetooth, rather than a Bluetooth adapter for your PC to connect to other peripherals.
Constant Volume Control Signals: Some firmware versions of the BR21 may spam the computer with "volume up" or "volume down" signals, causing the on-screen volume display to flicker constantly. For Developers: SDK and Programming Tools
If you are looking for software to modify the device (such as changing the Bluetooth pairing name from "HW-Audio" or " JieLi BR21 "), you will need the JieLi AC69 SDK.
Bt_config_tools: This utility, often part of the SDK, allows for the modification of prompt tones and pairing names.
UBOOT Mode: To flash new firmware, the chip must be put into "UBOOT" mode, where it will appear in the Device Manager as a "BR21 UBOOT USB Device". This usually requires specific hardware signaling via an Arduino or a dedicated Jieli programmer.
For basic consumer use, you should avoid third-party "driver updater" websites that claim to offer "free Jieli BR21
drivers," as these are often unnecessary and potentially carry malware. Instead, rely on your operating system's automatic driver installation.
The jieli br21 driver free is not a myth; it is a reality, albeit one hidden behind OEM support pages and manual installation steps.
To recap:
.inf file.By following this guide, you will transform your generic $5 dongle into a high-performance, low-latency audio transmitter. Whether you are a gamer tired of lag, a streamer needing clear mic audio, or a movie lover wanting dual headphones, the correct driver is your key to success.
Last updated: October 2024. (Drivers are legacy; Jieli has moved to newer chips like BR23/BR25, but the BR21 remains widely used in budget dongles.)
Disclaimer: This article is for educational purposes. Mentioned trademarks belong to their respective owners. Always scan downloaded files with Windows Defender or Malwarebytes.
JieLi BR21 isn't actually a typical Bluetooth "dongle" that lets you connect keyboards or mice; it's a USB sound card
chip. Because it follows standard USB audio protocols, it usually doesn't need a special driver—it's "free" because your computer already has what it needs to run it.
Here is a short story inspired by the common confusion surrounding this mysterious chip. The Ghost in the Machine
Leo was a man of simple needs: he wanted his old PC to talk to his new headphones. He’d bought a cheap, unbranded Bluetooth adapter online, and when he plugged it in, the computer chirped. But instead of a "Bluetooth" icon appearing, the Device Manager showed something cryptic: JieLi BR21 The "Driver Free" Reality of the Jieli BR21
"Where’s the driver?" Leo muttered, scouring the darkest corners of the internet. Every forum he hit was filled with others like him, digital travelers lost in the same fog. Some saw it as a storage device; others saw it as a "USB Composite Device" that refused to pair.
He spent hours searching for a "JieLi BR21 driver free download," dodging pop-up ads and suspicious "Driver Updater" tools that promised the world but delivered only malware. Finally, he stumbled upon a thread on Ask Ubuntu where a user named socketpair
dropped a truth bomb: "Actually, what you connected – IS NOT a Bluetooth dongle. It's a USB sound card".
Leo blinked. He realized he didn't need to find a driver because the driver was already there, hidden in plain sight as a generic audio device. The "JieLi" wasn't a broken Bluetooth radio; it was a tiny bridge designed only to transmit music.
He stopped searching, opened his sound settings, and there it was: JieLi BR21 Stereo
. He clicked "Play," and the ghost in the machine finally began to sing. Need help with a specific device issue? Let me know the exact model
of your mixer or adapter, and I can help you find the right settings. Jieli BR21 Bluetooth dongle shown as storage device
The JieLi BR21 is a generic USB audio and Bluetooth interface chip manufactured by ZhuHai JieLi Technology Co., often found in budget-friendly Chinese audio mixers, soundboards, and Bluetooth dongles. In most cases, you do not need to download a separate driver; the device is designed to be plug-and-play using the standard Windows USB Audio Class drivers. Understanding the JieLi BR21 Device
If your computer recognizes a device as "JieLi BR21," it is usually an integrated circuit (IC) acting as a bridge between your hardware (like a mixer) and your computer's USB port.
Functionality: It often appears as a "USB Composite Device" or "USB Sound Device".
Bluetooth Limitation: Unlike a standard Bluetooth dongle for connecting mice or keyboards, many JieLi BR21 devices are specifically USB sound cards with Bluetooth receiving capabilities. This means they transmit audio from a phone to the mixer/PC but cannot always pair with other Bluetooth peripherals. Troubleshooting "Driver Not Found" or Input Issues
If your device is not working correctly, it is rarely due to a missing specialized "BR21" driver and more likely a configuration or system driver error. 1. Use Windows Built-in Update
Since the device relies on generic drivers, ensure Windows is updated to the latest version.
Go to Settings > Windows Update and click Check for updates.
Check "Optional Updates" for any specific driver packages related to "USB Audio" or "Media". 2. Manual Reinstallation via Device Manager
If the device shows a yellow exclamation mark in Device Manager: Right-click the Start button and select Device Manager Find the entry for JieLi BR21
(typically under "Sound, video and game controllers" or "Universal Serial Bus controllers"). Right-click it and select Uninstall device. Unplug the device and restart your computer.
Plug the device back in; Windows should automatically detect it and install the standard driver. 3. Resolving Static or Input Issues (Common for Mixers)
Many users report that while sound output works, the microphone input from JieLi BR21
mixers can sound like static or "alien" noises in software like FL Studio or Audacity.
Check Exclusivity: In Windows Sound settings, try unchecking "Allow applications to take exclusive control of this device".
Third-Party Drivers: For professional audio work, the generic Windows driver often has high latency. Many users use the ASIO4ALL universal driver to improve performance with these budget chips.
Disable Unneeded Inputs: Some mixers incorrectly send HID (Human Interface Device) signals. Disabling "USB Input Device" under Human Interface Devices in Device Manager can sometimes fix weird behavior without affecting audio. Where to Find "Free" Drivers Avoid third-party websites claiming to host exclusive " JieLi BR21 " .exe files, as these are often bundled with adware.
The Mysterious Case of the Jieli BR21 Driver
It was a typical Monday morning for Alex, a freelance graphic designer. He was sipping his coffee and getting ready to tackle a new project when he noticed his printer, a Jieli BR21, was acting up. The device was not responding, and his computer was throwing error messages about a missing driver.
Determined to solve the issue, Alex began his search for a solution. He scoured the internet, visited the manufacturer's website, and even checked online forums, but to no avail. The driver seemed to be nowhere to be found.
Feeling frustrated, Alex decided to reach out to a local tech community for help. He posted on a popular forum, explaining his situation and asking if anyone had a copy of the Jieli BR21 driver or knew where he could find one.
That's when he met Sarah, a kind-hearted tech enthusiast who claimed to have an extra copy of the driver. She offered to send it to Alex via email, and within minutes, he received the file.
With the driver installed, Alex's printer roared back to life. He was relieved and grateful to Sarah for her help. As it turned out, Sarah was a retired IT professional who loved helping others solve technical issues.
The two started chatting, and Alex learned that Sarah had a passion for collecting vintage computer hardware. She had amassed an impressive collection of old printers, including the Jieli BR21.
Their conversation sparked a new friendship, and Alex found himself visiting Sarah's "tech museum" a few days later. He was amazed by her collection and learned a lot about the history of computing.
As Alex looked back on the experience, he realized that the search for the Jieli BR21 driver had led him to something much more valuable – a connection with someone who shared his interests and a new appreciation for the community that came with it.
If you use a USB-C to USB-A adapter to connect a BR21 dongle to an Android phone, the OS uses its generic USB host mode audio drivers. Again, driver-free.
Despite being driver-free, users still search for "jieli br21 driver free" because of a few common issues that look like driver problems.
This is very common with Chinese microcontroller drivers. During installation, if a warning pops up:
JieLi technologies do not have a public consumer-facing website like Intel or Realtek. However, the drivers are widely available in the developer community.
Steps to download safely:
staer.com or 4pda). These usually come in a compressed zip file containing JL_CdcDriver.inf..zip or .exe file from a forum or GitHub repository.There are two common scenarios:
Yes. There is a widespread myth that you must pay for Bluetooth drivers. You do not.
Scam websites will ask for $19.95 to "fix your Bluetooth" or install driver updater software. Do not pay. Jieli provides these drivers freely to OEM partners.
The challenge is not the cost; it is the availability. Many cheap dongles from AliExpress or Amazon come with a mini-CD (which no modern laptop has) or a dead link to a Chinese cloud storage site (like Baidu Pan).
PRINTED TEACHING & LEARNING MAGAZINES
