Introduction: Mi Band 2 is a smart watch bracelet for you, especially for sports lovers! Do you know how many steps you take, how many calories you consume, and how far you run? Don't worry, when you wear the bracelet to do exercise, such as running, climbing, all these data can be synchronized and analyzed on your mobile phone which helps you plan your exercise time and amount more reasonably. It comes with TPU adjustable wristband, giving you a skin-friendly, breathable feeling. When you sleep, it will monitor your sleep. It can also wake you up by vibrating gently. Mi Band 2 record every moment staying with you. Just to live a healthy life with it! Main Features: - Bluetooth Synchronization With Bluetooth 4.0, this smart watch is available for smartphones with Bluetooth functions. - OLED Touch Screen Just touch the circular button gently, the OLED screen will display current time, steps, heart rate, distances, calories, etc. - Heart Rate Monitor It can dynamic-static monitor your heart rate, provide data for you at any time. - Incoming Calls / APP Message Alert When someone calls or sends any messages in your phone, the watch will remind you via vibrating, so you will never miss them! - Sleeping Monitoring Accurately monitor total effective sleeping time and motions time every night, also APP will give you periodical evaluation, help you develop good living habits. - Sport Monitoring This smart watch can record steps, calories and distance. Let you know your sports data, adjust your exercise program and get a healthier life! - Intelligent Alarm Function Wake you up every morning, will not be late for work; idle alert to remind you with vibration, stretch your legs after working for a long time. - No Passcodes Required Every Mi Band 2 have an exclusive ID, when your smartphone closes with the band, your phone will be unlocked, just identify yourself with Mi Band 2. - IP67 Waterproof The IP67 waterproof allows the bracelet to be held in the water for a maximum of 30 minutes at a depth of 1 meter. ( Don't wear the bracelet when diving ) - Full Compatibility Support Android 4.4 or above and iOS 8.0 or above with Bluetooth 4.0. - Download APP You can search the name "MI FIT" in the "App Store" or "Google Play" to download the APP combined with Mi Band 2 to enjoy happy sports time. The watch time is synchronized with the phone time, and the time system is also the same. Notice: we feel sorry to inform that the supply of this item is very tight now because of great demands. We will deliver the goods to existing buyers asap based on the stock and begin to receive new order after completing all in-hand orders. Click the User Manual to learn how to use it Package Included? 1 x Original Xiaomi Mi Band 2 Smartband 1 x Charger Base Comes in Mi New Packing white box Battery: Battery capacity:70mAh Standby time:20 days Battery type: Lithium polymer Input current: 45 mA (typ) 65mA (max) Weight: 19g Sensor material: Plastic, aluminium alloy Water-resistance: IP67 Configuration: 0.42" OLED display Bluetooth 4.0 BLE Power-efficient accelerometer Photoelectric heart rate sensor Band: Total length: 235 mm Adjustable length: 155-210 mm Material: Thermoplastic elastomer, aluminum alloy Compatibility: Devices with Android 4.4, iOS 7.0 or above with Bluetooth® 4.0 support Compatible phones: Devices with Android 4.4 and above, such as Mi 3, Mi 4, Mi 4i, Mi 5, Mi Max, Redmi Note 4G, Redmi Note Prime, Redmi 1S, Redmi 2, Redmi 2 Prime, Redmi Note 3, Redmi 3S, Redmi 3S Prime, Redmi 3S+ Devices with iOS 7.0 and above, such as iPhone models 4s and later. Note: Mi Band's phone unlocking feature requires smartphones with MIUI or Android 5.0 and above. In the box: Mi Band sensor, band, charger, user guide, warranty card