1.Version: Bluetooth 5.0
2.Bluetooth Chipset: JL6936D
3.Earphone Battery Capacity:55mAh
4.Charge case battery capacity:450mAh
5.Working range:10M
6.Playing timeļ¼6hours
7.Charging time: 1-2hours
8.Frequency :2.4GHz-2.485GHz8.
9.Speakers: 10mm
10.Frequency Response: 20HZ-20000HZ
11. Impedance:32ohm
12. Sensitivity: 96db±3db