Tinymills

Tinymills Smart Watch Bracelet Wristband Heart Rate Monitor Blood Pressure Fitness Tracker

Product Description:Bluetooth:4.0Battery:50mA Polymer Lithium-ionCharging Time:1 hourWaterproof:Life WaterproofOperating Temperature:-10 to 45Storage Temperature:-20 to 60Support:IOS 7.1 and Android 4.4 or aboveSynchronization Range: 3m(theoretical...