Features:
1. 5.0 BT version
2. Master/Slave earbuds exchange auto.
3. Earbuds power on auto. once charging case opened
4. 3000mAh case battery which can charge for mobile
5. 7Hours Playing/Talking time
6. Suitabel for various sizes of ears
7. Good sound quality with graphene drivers
8. Stable bluetooth signal with ceramic antenna
9. CVC6.0 + DSP noise cancellation
Specification:
Bluetooth chip: RTL8763B
Case battery: 3000mAh
Earbuds battery: 70mAh
Case size:78*48*27mm
Earbuds size:23*19*13mm
Talking/Playing time:7Hours
Colors:Black/White(others customized)
Function: Last/next track, volume contol,voice control,touch sensor,
                Master/Slave  earbuds exchange automatically