1. Private model
2. Auto on/off
3. Auto pairing
4. Comfortable wearing
5. Dual mic for call and music
6. Stereo sound with deep bass
7. Stable signal
8. Touch control
9. Long play time
10,with wireless charging
11. Hall switch
Size:Charging case size: 49*49*25mm
Earphone size: 40.3*18.1*17.7mm