Heart Rate & Sleep Monitor -- Hizek fitness tracker measures your heart rate and total effective sleeping time and motions all day,help you better track calorie burn, optimise intensity of your workouts ,understand your sleeping quality.
Multiple Function -- OLED 0.96 Inch Screen/Call,Text&Social alerts/Four customizable clock faces available/Sedentary reminder/GPS Tracker for record your motion track/Ip67 waterproof and dustproof/Anti-lost/ Camera Remote and ect...(Note:GPS function and camera remote only show in App and you just shake the watch to take photos when you want start the camera function in App?
Wider Compatibility -- Download APP 'Wearfit 2.0',works collaboratively with iOS 8.4 & Android 4.4 above & Bluetooth 4.0 above,such as iPhone7/7 plus 8/8plus iPhone X, Samsung Galaxy S6 edge+/S7/S7 Edge/S8/S8+.(Windows devices are also not supported. )
Lifetime Quality Care -- 12 months warranty guarantee for product defects and 30 day no hassle return and refund for incompatibility,friendly customer care provided by Hizek.