1.Bluetooth Specification:5.0 JL
2.Operating range: 10m
3.Support file formats: HFP HSP A2DP AVRCP 4.Charging base: 400mAh
5.Headset battery: 55mAh
6.Music Playback Time:5-7h
7.Standby time:240h
8.Charging time: 1h
9.Charing Case weight: 47g
10.Product size: 20*39mm
11.Charging box size: