Compatible with Android phones and iPhoneIncluding models with Android 5 or later and iOS 10.0 or later operating systems for wide-ranging use.Smart notifications, music controls, and personalization through free watch faces available in the watch store.Top-class high-resolution 1.65″ AMOLED displayOffers easy navigation and clear visuals with 341 ppi pixel density and 348 x 442 resolution.Water-resistant designDefends your smartwatch against submersion in up to 164′ of water.Aircraft-grade aluminum-alloy case20mm silicone band, ensures durability and an elegant look.The Bluetooth 5.0 technology enables a reliable wire-free connection.Tracks heart rate, sleep quality, calories burned, steps taken and more.This smartwatch boasts 12 sport tracking modes, including outdoor/indoor running, walking, outdoor/indoor cycling, pool/open water swimming, elliptical trainer, climbing, trail running, skiing, and exercising.Enables you to better understand your physical state and take control of your health more accurately.Makes the search for satellite signals fast and accurate through the GPS positioning system to track your routes and distances.Vibrate modeQuietly alerts you to a range of notifications, such as incoming e-mails, calls, and text messages, as well as weather forecasts.Long battery lifeColor: Obsidian BlackAll offers welcomed and considered.