1 Bluetooth 4.0 (LE) low consumption transmission distance: 10m
2 OLED display, no button design, show time, steps and heart rate and cycling speed(see the remark)
3 Water proof: IPX4
4 Smart syncs automatically and wirelessly to your smartphones
5 Track steps , calories burned and sleeping quality
6 Rechargeable battery
7 Compatible with "CooSpo Fitness" APP or other fitness APPS