Features:
80 degrees rotating design, suit for left and right ear.
bluetooth V5.0 chip,stable singal transmission.
Bluetooth transmission distance: 10 meters.
Support adjust volume and change music
Battery capacity of the headset: 200mAh
Working voltage: 3.7V
Charging voltage: DC5V
Charging Time: about 1 hours
Talking time: 15-20 hours（Depends on the volume）

Products include
1 * Bluetooth headsets
1 * Charging cable
1 * User Manual