1.Bluetooth Version: V5.3+EDR
2.Battery Capacity: 300mAh
3.Music Playtime（open ANC）: 18 hours
4.Music Playtime（close ANC）: 24 hours
5.Driver Unit: 40mm*32Ω
6.Charging Time: 1-2 hours
7.File Support: SPP/HF/A2DP/AVRCP
8.Frequency Range: 20Hz~20kHz
9.Sensitivity: 117±5dB
10.Color: black,white,blue
