5PCS BTM875-B CSR8675 Bluetooth Module Audio Module Default Firmware SPDIF Output for APTX-LL APTX

5PCS BTM875-B CSR8675 Bluetooth Module Audio Module Default Firmware SPDIF Output for APTX-LL APTX

Specifications:
- Model number: SJR-BTM875-B
- Bluetooth chip: CSR8675 and built-in 16M FLASH
- Bluetooth version: 5.0
- Module size: 15mm x 22mm x 2.5mm
- Power supply voltage: 3.0-4.3V

Default Firmware:
- For SBC, AAC, APTX, APTX-LL and APTX-HD decoding. No call function. By default, analog output is supported. Optional I2S and SPDIF output.

Button Description:
● MFB: It will be powered on when there is high level. And it will be powered off when there is low level. It will automatically enter pairing mode when it is powered on.
● PIO0: Short press to play/pause. Long press for 3 seconds to enter paring mode. Long press for 5 seconds to clear the pairing record.
● PIO1: Short press to turn it down.
● PIO2: Short press to turn it up.
● PIO3: Short press for the previous song.
● PIO4: Short press for the next song.
● PIO6: Amplifier control enable pin (it will output 1.8V high level when there is audio output).

Indicator Description:
- Bluetooth is not connected: LED0 and LED1 flash alternately
- Bluetooth is connected: LED1 stays on
- Bluetooth audio playing mode: LED1 stays on

Package Included:
- 5 x Bluetooth Modules