V.one 2016 Smart Sport Bracelet, IP67 Waterproof Fitness Tracker Sport Pedometer Heart Rate / Sleep / Calorie Monitor Bluetooth 4.0 for Android IOS iPhone (Sport Purple) 1. Vone Smart Bracelet is designed and made to uplift your urban life activity and exercise. It offers various function to record and monitor your daily life activities from timing, commuting, sleep, to phone calls/SMS, exercising, handily keeping your life with good track by the delicate bracelet. 2. With the optical sensor and G-sensor systems, the smart bracelet can accurately monitor your heart rate, calorie consumption, walking distance and sport pedometer. 3. Made of silicone texture of the wristband, the bracelet is skin-friendly and comfortable to be wear around your wrist. Waterproof and Sweat-proof features allow you to wear the bracelet in any environment at any time. 4. Besides the basic functions of smart watch, such as Bluetooth(4.0) connection, calls/messages reminder, it can also monitor your sleep, sedentary time, and even functioned as your bus/metro car with the built-in NFC chip. It also has the vibration alarm to wake you up without interfering others. 5. Touch screen design, Android 4.3 and IOS 8(or above) supported. Vone Smart Bracelet is viable on most smart phones. Touch screen control enables you to manage your daily activities and exercise with great convenience and fun!