1.Bluetooth solution:JLV5.1

2.Earbuds battery capacity: 30mAh*2 

3.Charging box capacity: 250mAh

4.Transmission distance 10 meters

5.Speaker Size:13mm

6.Impedance:32Ω

7.Music playing for 3-4 hours

8.Call time:4 hours

9.Standby time:100 hours

10.Charging time:1 hours

11. Charging Interface: Type-c