Smartwatches with Wear OS by Google are compatible with phones running the latest version of Android or iOS. The newest Qualcomm 4100plus chipset brings a 30% enhanced performance. Improved power, more reliable connection and up to 4x range with Bluetooth 5. Automatically tracks activity goals, steps, sleep, heart rate, cardio, and SpO2 (blood oxygen). Activity modes with GPS keep you on track with your distance and path. Advanced sensors provide the data to power all your health and fitness tracker apps. Always-On display now brighter with more colors and higher pixel count. Thousands of watch faces to personalize your look and always see the time. Hundreds of apps from assistant to fitness, contactless payments, music, social, news, stop watches and more. Stay connected with notifications for calls, texts, apps. Automatic time zone and calendar syncing. Answer and make calls directly on your watch when your phone is out of reach. This smart watch features a speaker, microphone, and customizable buttons. Our new case back and included magnetic charger allow for faster charging than other generations. Charge up to 80% in 30 minutes. Optimize your battery life with simplified Smart Battery Modes. Swim proof 3 ATM design is perfect for all your activities.