Bone conduction Bluetooth headset

Product parameters:
Bluetooth version: 5.0
Bluetooth power: class 2
Charging method: power adapter output (DC5V 150mA)
Support agreement: Head set / handsfree / A2Dp / AVRCP
Standby time: about 10 days
Battery capacity: 140 mAh
Duration of continuous call: about 8 hours
Continuous playing time: about 8 hours
Product with packaging: 180g