Specification:

Bluetooth version：V5.2

Speaker size： Ø10.0mm

Frequency Response ：20Hz-20KHz

Sensitivity：105.5±3dB

BT range：≥10m

Battery capacity：

earbuds 40mAh，charging case 400mAh

Playing time： 6.5H（ANC OFF）

Total playing ：around 28H（ANC OFF）

Standby：110H（ANC OFF）

Charging time: earbuds 1.5H, charging case 2H

Noise cancellation：-30±3db