Product details of XIAOMI Bip Smart Watch Heart Rate Monitor Fitness Watch Model: A1608 Wireless Connection: Bluetooth 4.0 BLE Input: 5V, DC 300mAh (Max) Water & dust resistance rating: IP68 Operating Temperatures: 32 °F - 104 °F/0 °C - 40 °C Phone Requirements: Devices that support Bluetooth 4.0 and run Android 4.4 or IOS 9.0 or above Always-on reflective 1.28 inch color touch display 2.5D Corning gorilla glass generation 3 + AF coating Optical heart rate sensor for heart rate zones Geomagnetic sensor (compass)Air pressure sensor (barometer) for elevation GPS + GLONASS for route tracking 20 mm standard width changeable watch band IP68 rating - resistant to dust, rain and splashing 190mAh Li-Polymer Battery More Power On-the-go Up to 45-day battery life | GPS+GLONASS dual-mode positioning Heart Rate | Light Weight You’ll forget what charging feels like Daily charging? Once a week? Good news: The Youth version of the watch can be used for up to 451 days on a single charge. If you simply monitor the number of steps and sleep, the battery life is up to 4 months!2 Free Your Hands. Use Your Watch to Control Music on Your Phone. Once the Bip S is connected to your phone, you can control music playback from your watch, making it even easier for you to exercise. Come on! Run a love-shaped track for him or her A Sony 28nm low-power GPS chip is built into the watch. GPS+GLONASS dual-mode positioning makes the search for satellite signals fast and accurate Proper Outdoor Play Because the screen is on continuously, the content on the watch can be seen simply by raising your hand; Thanks to a reflective screen, the stronger the outdoor light is, the clearer the screen is. New Mi Fit 3.0: Millions of Users Run Together Watches and the new Mi Fit 3.0 are used together to bring a new sports experience and more precise sports data. Four Colors to Choose Onyx Black is fit for the cool you, but Kokoda Green is good too. Cinnabar Red is full of enthusiasm, and White Cloud is ideal for your girlfriend. PACKAGE: 1 x Xiaomi Bip Smart Watch Heart Rate Monitor Waterproof Fitness Watch, 1 x USB Data charging dock cradle charger, 1 x User’s Manual