Classic Design. Modern Tech. This 40 mm Q Venture HR touchscreen smartwatch features a blush leather strap, and lets you track your heart rate, receive notifications, customize your dial and more. 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 20 cm away from implanted medical devices to minimize potential for RF interference. See product insert for full details. 40 mm case size 13 mm case thickness; 195+/- 5 mm inner circumference Buckle closure Leather strap; 18 mm band width Digital dial 2-year international limited liability warranty Imported Material & Care Stainless steel, leather Clean with a soft cloth