PARM1 Bluetooth version: 4.1
PARM2 Speaker type：Bone conduction speakers
PARM3 Frequency Range:20Hz～20KHz
PARM4 Net weight: about 38g(For reference only)
PARM5 Charging port: Micro-USB
PARM6 Continuous playback time：Around 8 hours
PARM7 Continuous talk time: Around 7.5 hours
PARM8 Standby time: Around 12 days
PARM9 Waterproof rating: IPX6
PARM10 Bluetooth distance:10m
PARM11 Charging voltage: DC 5V
PARM12 Charging time:2h
