Ultra-light and slim zinc alloy smartwatch with 1.69" high-definition touch screen in 2.5D curved glass to offer a wider viewing angle It offers a sharper and more colorful visual experience. Compatible with Apple Health App's and call notifications and hang up the incoming call from the watch IP67 Water-resistant* Other functions: Sleep monitoring Blood pressure and blood oxygen monitor Remote control for taking pictures Controlling your smartphone's music player Control of the female cycle Weather information Sedentary and heart rate alarm Alarm Chronometer Flashlight Do not disturb mode Battery life: 5-7 days in use and 20 days in standby (depending on use the battery life may be shorter). DaFit application. Compatible with iOS 9.0 or higher devices and Android 6.0 or higher.