About Amazfit: Launched in 2014, Huami is now the largest wearable device company worldwide with over 50 million units sold. Huami's industry leading Amazfit product line of smartwatches and activity trackers including the newly launched Bip, Stratos and Cor effortlessly track activity without sacrificing style or performance. About Amazfit Verge: The Amazfit Verge is a comprehensive fitness tracking smart watch that combines durability with a sleek and minimalistic design to help you stay active and informed all day longProduct Highlights:Large AMOLED displays incoming calls, emails, text messages, weather updates, and mobile app notificationsComprehensively track heart rate (current and continuous), daily fitness stats (steps taken, distance traveled, calories burned, sedentary time) and sport stats (running, treadmill, cycling or walking)"Find your phone" function helps you locate phone in the event you've misplaced it nearby164 feet Long battery life, keeps you going for up to 5 days on a single chargeSpecifications:Display: 1.3'' bright AMOLED touchscreenWeight: 1.1oz (32g)Connection: Bluetooth 4.0 +WiFiBattery: 390mAh Li-PolymerWaterproof: IP68 certified water resistance, Optical heart rate sensor, 3-axis accelerometerSystem Requirement: Android 4.4 / iOS 8.0 or aboveApplication: Amazfit, support iOS and AndroidCharge Type: Magnetic chargingLanguage: EnglishIncludes: 1x wristband, 1x USB cable charging dock, instructions (English), and Warranty