1 answer. ... Using Win 10 on desktop (i5-4690) have installed JieLi BR17 bluetooth adaptor. This is seen by Win10 as an Audio Dev... Microsoft Learn Jieli USB Dongle 4.0 Update Tool Manual The tool's enum is "SH50 Burn v1. 0.0." Tool's self-requirements: Bit 7: The tool upgrades itself. Bit 8: After entering upgrade m... www.axtekic.com Download the Borofone BR21 Stereo driver for Windows 7, 8 ... Download the Borofone BR21 Stereo driver for Windows 7, 8, 8.1, and 10 (64-bit) for TECLAST - F7S - Borofone BR21 Stereo Driver fo... DriverIdentifier 7 sites Jieli BR21 Bluetooth dongle shown as storage device Feb 4, 2021 —
: Like many Jieli chips, it features internal Flash storage for firmware and prompt tones, typically ranging from 4Mb to 32Mb. jieli br21 driver
For end users, the BR21 does not require installing any software on a phone or computer to function as a Bluetooth audio receiver. The chip implements standard Bluetooth profiles (A2DP for audio, HFP for hands-free calls, AVRCP for control). However, when a manufacturer or hobbyist wants to update the firmware or configure the chip (e.g., change button mappings, EQ settings, or device name), they connect the BR21 module to a PC via USB. At that point, the computer needs a (often CH340 or CP210x, depending on the board design) and the proprietary Jieli PC tool (e.g., “Jieli MP Tool” or “BR21 Config Tool”). 1 answer
If you could provide more context or clarify what you're trying to accomplish with the driver, I might be able to offer more specific guidance. This is seen by Win10 as an Audio Dev
: Many BR21 devices act as both a USB sound card and a Bluetooth receiver.
: It is designed to handle common Bluetooth profiles like A2DP (Advanced Audio Distribution Profile) for stereo streaming and HFP (Hands-Free Profile) for microphone use. Typical Applications Jieli BR21 Bluetooth dongle shown as storage device