Onikuma T27 Wireless Earphone Black

Bluetooth version：
5.3

Speaker size: 
10MM

Bluetooth range：
10m

Sensitivity:
105±3db 

Box capacity：
400MAH

Headset battery：
45MAH

Charging time for box：
1.5H

Working time: 
6H

Frequency response range：
20Hz-20KHZ

Waterproof Grade:
IPX 4