Great fitness trackers PRODUCT DEscriptION: 2016 Cheap smartband fitness band Smart bracelet,Website:http://www.smartcoolproduct.com, Technical details are as follows: Product Name:Bluetooth bracelet, Sleep Monitor, smart wristbandComponent:wristband, chargerMaterial of the band:SiliconeSystem requirement1) For android: 4.3 and above (with Bluetooth 4.0)2) For IOS: 7.0 and aboveBluetooth version:bluetooth 4.0Battery life:Rechargeable ( working 10 days after full charged)Display:OLED screenBasic function:pedometer, calorie counter, sleep monitor, distance tracker, incoming call and sms alarm, email reminder, stop watchAvailable color:Black, Customized colors as you wantPackage details:1*smart bluetooth bracelet, 1*user manual 1*standard USB charge, 1*gift box