Material : ABS
Bluetooth V4.0, Class 2 transmission power
Function : BT on / off, time display, pedometer function, colories burned, sports kilometers per day, sleep monitoring, 7days menory function
Showing screen : 0.69 " LED display
Battery : built in rechargeable 3.7 v / 100 mAh Li-Polymer battery Charging slot : Micro USB 5V/ 500 MA
Operating Range : 10 m
Frequency : 2402MHz~2480MHz ISM Band
Charging Time : 0.5-1 hours
Battery lasting : 5-7 days
Accessory : Userguide, Micro USB cable
Compatible : APP softwares