1.Bluetooth Version: V5.0
2.Chipset:Airoha 1526P
3.Bluetooth Profiles:HFP 1.7, HSP 1.2, A2DP 1.3, AVRCP 1.5, SPP 1.2 and Voice command,iOS battery monitor
4.Decoder: SBC, AAC,
5.Transmission Distance: â?¥15m
6.Talking Time:2.5-3H
7.Music Time:2.5-3H
8.Charging Time:1.5H
9.Standby Time: 63H
10.Earbuds Battery: 3.7V/50mAh
11. Charging box Battery: 400mAh
12.Frequency Range:20Hz~20KHz
13.Speaker size:Φ6mm
14.Sensitivity:70±3dB
15.Impedance:16Ω