Official Package including
Earbuds *2
Earbuds cap *4
Battery case *1
User menu *1
Wireless connection :Bluetooth 5.0
Communication distance :10 meters (accessible open environment)
Working Time: about 4 hours
Standby time : about 150 hours
Single earphone battery capacity :40mAh
Charging box battery capacity :300mAh
Headphone charging time : about 1.5 hours
Charging box charging time : about 2 hours
The net weight of a single earphone : about 4.1g.