1.Bluetooth Specification:5.0
2.Operating range: 10m
3.Support file formats: HFP HSP A2DP AVRCP
4.Charging base: 300mAh
5.Headset battery: 55mAh
6.Music Playback Time:3-4h
7.Standby time: 240h
8.Charging time: 1h
9.Charing Case weight: 47g
10.Product size: 44*18mm
11.Charging box size: 80.5*34*30mm