Bluetooth 5.2 Stereo Audio Data Transmission Module BK3266

Description Main control BK3266 Bluetooth version V5.2 stereo audio data transmission module, batch customization. This is a successor board of BK8000L, with more powerful features.  Board Features: 1. Call function (AT can be turned off) 2. Serial port AT command control 3. Serial port AT to modify Bluetooth name and pairing password (password dynamic switch, AT/double-click MODE key to switch password) 4. Prompt tone (prompt tone dynamic switch, AT/long press MODE key for 3S to release the switch prompt tone) 5. Support SPP and BLE data transmission (BLE is closed by default, AT can be turned on, and support background) 6. Support TF Card playback (supports selected serial number playback) 7. Supports U disk playback function 8. Built-in antenna (optional external antenna version) 9. Supports infrared remote control 10. Supports AUX input 11. Supports obtaining TF/U disk song names (short file names) 12. Audio differential/single-ended output classification is optional (AT command can be set) 13. Select EQ (AT/double-click the PLAY key to cycle through 9 EQs) All controls support serial port AT commands, such as: MP3 song serial number query, etc., which are very powerful. The default firmware config is: English prompt, no password, differential audio output. breakout board here – Bluetooth Audio Breakout Board, w/Amp., Car Receiver, Bluetooth 5.0, BK3266 Documentation please see on this page.