Product parameters:

Color: black/red/blue/green

Bluetooth version: V5.1

Speaker type: bone conduction vibrator speaker

Battery capacity: 170 mA

play time: 10-12 hours

Charging time: <2 hours

Bluetooth distance: <15 meters

Support functions: music play/pause, call answer/rejection, battery display (only support iPhone), automatic connection, voice assistant wake up.

Packing list:

M-618 earphone*1 (not a pair)

USB charging cable*1

Instruction Manual*1