Features 

1. Translucent cabin, fashionable design
2. HD call
3. Light and compact
4. Instant pairing and connection                     

5. High-end composite diaphragm, stronger sound interpretation

Specification 

Bluetooth version: v5.1+EDR
Transmission range 10 m
Support protocol HSP/HFP/A2DP/AVRCP
Headphone battery 30mAh Speaker size 13mm Talk time 4hMusic playback time/music playback time: about 5 hours per time (headphones + charging box about 17.5 hours) Talk time/talk time: about 3 hours per time (headphones + charging box about 10.5 hours)