1) BT: V5.0
2) Low power consumption(Longer working time:
**3hours)
3) Binaural HD calls.
4) Better stereo sound
5) Automatically power on/ power off/ charging/ pairing/ stop
charging when full
6) Charging box support wireless charging, popup window
connection
7) Touch Control, arouse S1ri
8) Real 1:1 size
9) Original connection method
*0) Three battery percentage display
*1) Optical sensor, when take out/in earbuds Pause/Play
music