This men's touchscreen smartwatch Carlyle HR features a 44mm case and a gray stainless steel band. It includes a speaker, increased storage capacity, and three smart battery settings to extend battery life by several days. Smartwatches with Wear OS by Google are compatible with iPhone and Android smartphones. Touchscreen smartwatches with Wear OS by Google require a smartphone with Android 4.4 or iOS 9.3. Supported features may vary depending on the platform. To avoid damage to the watch, only the included charger should be used. USB hubs, USB splitters, battery packs, USB Y-cables, or other peripherals should not be used for charging. To minimize the risk of potential RF interference, the item should be worn at least 20 cm away from implanted medical devices. For detailed information, please refer to the user manual.

There are 3 battery modes to choose from:
Daily = 1-day battery life
Extended = 2 to 3 days battery life
Time only = up to 1 week battery life.