Feature:

 1. Bluetooth V5.0: 
1) Low power consumption(Longer working time: 4-5hours)
2) Binaural HD calls.
3) Better stereo sound
4) Automatically power on/ power off/ charging/ pairing/ stop charging when full

2. Owns power bank of 1500mAh for earphones charging.
3. Earphone,speak,power bank,3 in 1.

4. No buttons, touch control, support siri.
5. Excellent Using Experience:
noise cancelling can lead you to a beautiful music world and you can follow every beat to move.
HD noise reduction microphone to make sure the talking clear.
6. Earphone can work as Binaural or monaural. 
7. ergonomic design. Wear comfortably and firmly.
8. Battery capacity is showed in the Apple phone.
9. Support OEM: Custom logo/ color/ design/ package/ manual/ accessories etc.