Light weight and portable
HiFi sound quality
12H music time
Bluetooth 
Built-in 2000 MAH lithium battery
LED Digital power display, to avoid the embarrassment of suddenly running out of charge
Adopting CVC 8.0 & DSP dual noise reduction technology
Auto start and auto-match, auto-connect back to mobile phone
Both the left and right ears have full Bluetooth headset functionality and can be used individually or in pairs.
Bluetooth transmission distance: 10 meters barrier-free.
8D surround sound, dual-ear chip, large capacity, true wireless Bluetooth headset.
V5.2 Upgrade chip