Wzxksoac QCC5125 Bluetooth 5.1 DC 3.6-5.5V Stereo Audio Module Analog Output, Supports LDAC Lossless/APTXLL/APTXHD with Call

When is used with a box: the highest protocol Clear pairing information: the highest protocol LDAC (5125 default). Support serial port AT commands, 115200, N, 8, 1 Support Android APP to modify Bluetooth name (support any language), pairing password, custom EQ, switch prompt tone. Bluetooth connection status output foot BT_HL (Bluetooth connected: output high 3V3, Bluetooth disconnected: output 0V). 5125 supports , AAC, , APTXLL, APTXHD, LDAC,Function keys: KCOM, PLAY, VOL+, VOL-, P/V-, +, MODE, high level 3V3 is valid. Analog differential output (RP, RN, LP, LN) Button Description: "VOL+": short to increase volume, long to increase volume, "VOL-": short to decrease volume, long to decrease volume, "+": short to play next song, long to increase volume, "P/V-": short to play previous song, long to decrease volume, "PLAY": short to play/pause/answer/hang up, long to reject