Product information:

Function: Voice Control
Bluetooth protocol: 1.2
How to use: ear hook
Whether single and double ears: unilateral hands-free
Bluetooth version: 5.2
Bluetooth range: 15m
Ear hook weight: 4.5g (single)
Charging compartment weight: 85g
Headphone battery capacity: 50mA
Charging compartment battery capacity: 800mA

Packing list：

Headphone*2+Charging compartment*1+Data cable*1