: The device typically uses standard USB Audio Class and HID drivers built into Windows 10/11 and Linux (kernel 5.x+), meaning no third-party "full" driver installation is usually required.
to integrate features like sound card control and OTA updates through their GitHub repository jieli br21 driver full
Once the driver is fully installed, you can use the Jieli ISP Tool to flash new firmware. : The device typically uses standard USB Audio