New and improved visual experience: 1.69-inch round full-touch smart watch, high-resolution color screen, brings you excellent picture quality and visual experience. Multiple Sports Modes and Waterproof Function: The sports watch offers multiple sports modes such as walking, running, cycling, mountaineering, treadmill, fitness, etc. COMPATIBILITY AND BATTERY: Compatible with smartphones running Android 4.4 and above and iOS 8.0 and above. 180mAh high capacity battery, 7 days standby. Smart notification function: When you receive a call, SMS, email or message (Facebook, Twitter, WhatsApp, Linkedin), the smart watch will vibrate to notify you. Smartwatch for Bluetooth calls: The smartwatch can sync contacts, you can answer or end the call on the watch, or talk to the caller directly.