The Bestdeal Bluetooth 4.0 Sync Healthy Smart Bluetooth Silicone Bracelet,Sports Intelligent Wearable Bracelet Waterproof Sport Gym Fitness Tracker Stopwatch Passometer WristWatch Phone Mate Compatible for Android 4.3 or Above Android Smartphones,and IOS 7.0 or Above with Giftbox Packaging(Black Color) Bluetooth: The smart bracelet can be connected to the Healthy bracelet APP,Clearly displays health parameters including steps, calories, distance, time and sleep quality. Wearable devices top smart bracelet for exercise and health. Sports management (Pedometer): Tracking steps (including walk and run), speed, time and distance; Calculating Calories and fat burned. Main Features:Pedometer,Dial,Phonebook,Call history,Call history,ANTI-lost,Messaging,Remote Capture,Remote Capture,Sync Time and date and so on. This Smart bracelet watch with OLED screen shows the Steps, Calorie, Distance, Time, Sleep quality clearly