618 Bluetooth Headset True Bone Conduction Ear-mounted Non In Ear

Product information:

Product name: M618 bone conduction bluetooth headset
Bluetooth version: V5.0
Speaker: bone conduction vibrator speaker
Battery: 170MAH
Life time: about 12 hours
Charging time: 2 hours
Bluetooth distance: about 15 meters
Support function: music play, pause. Incoming calls are answered, but rejected. Ios battery display, automatic connection, call siri voice assistant, etc., caller ID.

Size information:
Headphone size: 6.7*5.2*1CM

Packing list :

Bluetooth headset*1

Product picture: