QCC5125 supports SBC/AAC/APTX/APTXLL/APTXHD/LDAC

Android APP changes Bluetooth name (supports any language), pairing password, custom EQ, switch prompt tone, with call (select in category)

Plug-in version turns on and off, charging version switches on and off, TWS pairing, supports IPEX first generation antenna, default maximum volume, with mobile phone volume synchronization

When using TWS pairing: highest protocol APT X (Optimize TWS connection stability)

Clear TWS pairing information: highest protocol LDAC (5125 default)

Plug-in version directly powered by TYPE-C port

Charging version must be powered by battery, TYPE-C port only for charging

۳٫۶-۵٫۵V power supply (select plug-in version or charging version in the category)

VBAT, GND: power supply (3.6-5.5V)

L, G, R: audio output

M+, M-: positive and negative of microphone head

DCOM, D0, D1: DCOM is the common terminal of the common anode two-color LED

MUTE: Output high 3V3 when there is sound, output 0V when there is no sound

P5: Output high 3V3 when Bluetooth is connected, output low 0V when disconnected

Button Description:

“VOL+”: Short press to increase the volume, long press to increase the volume

“VOL-“: Short press to decrease the volume, long press to decrease the volume

“N/V+”: Short press to play the next song, long press to increase the volume

“P/V-“: Short press to play the previous song, long press to decrease the volume

“PLAY”: Short press to play/pause/answer/hang up, long press to reject

Special function description:

PLAY : Press and hold for 3 seconds and release to force entering pairing mode. Press and hold for 6 seconds and release to clear the pairing list

PLAY + VOL+ : Press and hold for 1 second at the same time to enter the host mode to search TWS (with a prompt sound)

PLAY + VOL- : Press and hold for 1 second at the same time to enter the slave mode and TWS is searched (with a prompt sound)

VOL+ + VOL- : Press and hold for 1 second at the same time to disconnect TWS

N/V+ + P/V- : Press and hold for 6 seconds at the same time and release to clear TWS pairing information and pairing password, and reset (with a prompt sound)