Product model: JM18 air conduction Bluetooth earphones (adjustable over the ear)

Bluetooth Solution: Bluetooth V5.4

Product Speaker: 16mm Speaker

Product chip: Zhongke Lanxun

Standby time: 120H+

Working time: 5 hours, the charging case can charge the earphones twice+.

Charging time: about 1 hour

Communication distance: accessible 10-15 meters

Earphone battery capacity: 40mAh

Charging case battery capacity: 300mAh (with IC protection board)

Material: ABS