Bluetooth solution:V6.0

Earphoone battery capacity:40mAh*2

Charging box capacity:400mAh

Transmission distance:10 meters

Speaker Size:12mm

Impedance:16Ω±10%

Frequency Response:20Hz-20KHz

Playing Time:about 5-5.5 hours

Call time:about 5-5.5 hours

Charging time:about 2-3 hours

Charging Interface:Type-C