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: ≥15m

6.Talking Time: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: 2600mAh

12.Frequency Range:20Hz~20KHz

13.Charging case dimension: 88*48*31mm;

14.Earbuds dimension：20*24*23MM；

15.Speaker size:Φ6mm

16.Sensitivity:95±3dB

17.Impedance:16Ω

18. Net Weight: 99g (Earbud:5g/pc)