1.Dual microphone ANC+ ENC, clear voice, good communication 

2. Low latence 40-60ms

3.10mm Dynamic speaker , HiFi Sound Quality

4.RGB LED on case, easy for you to know the battery status

5.IPX4 Waterproof

6.Hall switch Instant wake and pair , convenient and easy to use

7.Ergonimic design, soft earcaps, long time wear,no pain

8.  Color : White /Black

Remarks: If the quantity is 5000pcs , can make customized color.