Specification:

Bluetooth version：V5.1

Speaker size：Ø10.0mm

Frequency response：20Hz-20KHz

Sensitivity：111±3db

Bluetooth range：≥10m

Battery capacity：

Earbuds 25mAh，charging case 250mAh

Playing time：4H

Total playing time(earbuds+charging case）:

around 15H

Standby time：120H

Charging time: earbuds 1H, charging case 1.5H