Model NO ID115 Lite Smart Bracelet
Compatible systems Support ISO7.1 and Android 4.4 or above App: VeryFit 2.0
Functions Calorie, Distance, Step pedometer, Sleep monitor, Sedentary alert, Call alert, Alarm alert, low battery remind, SMS alert , goal progress, health data share, camera remote control, find phone, etc. 
Sensor KIONIX KX022-1020
Bluetooth chipset Nordic super level bluetooth chipset (Bluetooth 4.0)
Vibration alert Yes
Waterproof   Waterproof level: IPx7 Life waterproof, rain drops,sweat and
moisture . Not allowed to swimming.
Maintenance If the device get humid or water, please take it off from the
wrist, and ensure it is dry when you wear it next time.
Display No screen, 3 LED notify lights only
Material Strap Materials: TPE
Strap Color: Black, Pink,Cyan,Blue, Purple
Smartband size 240*19*12mm
Net Weight 17g
Battery type Li-Polymer
Battery capacity 50mAh
Standby time 5-10 days
Charging USB port charging
Charging Time 1.5-2 hours
Data Storage Record 7day detailed sports and sleep data ,record personal sports data per week, month and year.
Wireless connection Bluetooth BLE4.0
Synchronization range: 3 meters (theoretical rang is 10 meter without any interference)
Packaging Smart Band, User manual