•Smartwatches powered with Wear OS by Google are compatible with iPhone and Android phones •Multi-day Battery Mode •Activity Tracking, Heart Rate, GPS, Swimproof •Speaker, Notifications, Calendar and Music Control •Customizable Watch Faces, Interchangeable Watch Strap, More Storage for Third Party Apps and more Classic design. Modern tech. This 44mm Carlyle HR touchscreen smartwatch features a black silicone strap, speaker functionality, increased storage capacity and three smart battery modes to extend battery life for multiple days.Smartwatches powered with Wear OS by Google are compatible with iPhone and Android phones. Wear OS by Google and other related marks are trademarks of Google LLC. Touchscreen smartwatches powered with Wear OS by Google require a phone running Android OS 4.4+ (excluding Go edition) or iOS 9.3+. Supported features may vary between platforms.To avoid damage to your watch, only use with included charger. Do not use a USB hub, USB splitter, USB y-cable, battery pack or other peripheral device to charge. Product should be kept more than 20cm away from implanted medical devices to minimize potential for RF interference. See product insert for full details. Features: Black (band) Weight: 8 ounces Water Resistance: Water-Resistant Product Model: Fossil Gen 5 Smartwatch Electronics Features: Route Tracking Material: Watch Band: Silicone Includes: Wristbands Operating System Compatibility: Apple iOS, Android Connection Types