Michael Kors Access Unisex 45mm Silvertone Bradshaw Chronograph Smart Watch Smartphone notifications & Touchscreen functionality; Activity & custom goal tracking; Customizable faces, bands, & music controls Band & Case Material: Stainless Steel; Case Color: Silver; Band Color : Silver with Clear Stones down center links ; Case Size: 44 mm; Case Thickness: 9 mm; Band size: 22 mm; Water Resistance: IP67 Battery Life: Estimated 24 hours based on usage Powered with Wear OS by Google, a trademark of Google LLC. Compatible with Android OS 4.4+ (excluding Go) and iOS 9.3+. All devices have Bluetooth(R) 4.1 Low Energy and Wi-Fi 802.11 b/g/n This product is sold direct from the manufacturer, for Amazon. Quality, authenticity, warranty, and customer service are all guaranteed. Beware of other third parties that are not the authorized sellers