Specification:

Bluetooth version：V5.2

Speaker size：Ø10.0mm

Frequency response：20Hz-20KHz

Sensitivity：103±3db

Bluetooth range：≥10m

Battery capacity：

Earbuds 40mAh，charging case 400mAh

Playing time：6.5H（ANC OFF）

Total playing time(earbuds+charging case）:

around 28H（ANC OFF）

Standby time：90H（ANC OFF）

Charging time: earbuds 1H, charging case 2H

Noise cancellation：-20±3db