Specification:

Bluetooth version：V5.1

Speaker size：Ø10.0mm

Frequency Response：20Hz-20KHz

Sensivitiy：112±3db

BT range：≥10m

Battery capacity：

Earbuds 50mAh，Charging case 500mAh

Playing time：5H（ANC OFF）

Total play time（earbuds+charging case）：

around 21H（ANC OFF）

Standby：29H（ANC OFF）

Charging time: earbuds 1.5H, charging case 2.5H

Noise cancellation：-20±3db