Description About Product Function: Step counts, distance measuring, calorie consumption management, sleep management, event trigger (water drinking, taking medicine, meeting etc), call reminder, clock, sedentary reminder, anti-lost (positive and negative direction lookup), remote camera, vibration alarm clock, remote photograph shooting control. TECHNICAL DESIGN: Advanced smart bracelet with Nordic 51822 master chip and Green Light Dynamic Heart Rate G-SENSOR; the watchband is very comfortable to wear as it is made of silicone material; life level waterproof. MONITORING: Automatically recognize your state and monitoring the whole sleep progress with analyzing the deep sleep and light sleep hours; record daily activities including steps, distance, heart rate, blood pressure and calorie consumption that you can check in the related app. CONTROLLING: Get call, SMS notification on your wrist without keeping an eye on the phone, never miss important messages; operation on the screen could control remote photograph shooting; it also can be used as sedentary reminder and drinking reminder. For ANDROID& IPHONE SMARTPHONE: Compatible with Android 4.3 or above, IOS 7.0 or above (such as iPhone 4S, 5, 5C, 5S, 6, 6P, 6S, 6SP, 5SE,7,7P); with Bluetooth 4.0 or above. LANGUAGE & COLOR: Language system including Chinese, English, Russian, Turkish, Greek, German, Italian, French, Dutch, Portuguese, Spanish; colors including green, blue, black. Some Specification Display Screen: 0.49’ OLED Battery Capacity: 60mAH Standby Time: 15 days Hardware Requirements: Bluetooth 4.0 or above Net Weight: 25 g Dimension: 5.91*3.86*1.18 inches