Waterproof fitness tracker bracelet

Specification:   Material:  Case: PC ,Strap: Silicone Type:On Wrist Button:one point touch Size:0.96 inch Material:Lithium Capacity:9mah Stand by time: 20 days Using time: 7 days Charging type: USB Direct Charging Suitable phone system:for IOS8.0 above , for Android 4.4 above   Data storage: 7 days detailed exercise record, 23 days daily total   Main features: interface switching, step counting, calories, distance, stopwatch, sleep monitoring,Call reminder, alarm reminder, SMS call display, sport mode, dial switch Social sharing (for WeChat QQ Facebook Twitter), etc.   Note: Due to the screen difference, the color may be a little different from what you expect, please allow it   Packaged include: 1 x wristband 1 x instruction