A distinctive steel bezel that you can rotate to access apps and notifications , Strap with buckle – 2.76 inches,Large strap with holes – 5.12 inches, Small strap with holes – 4.33 inches

Text, call and get notifications directly from your watch through your Bluetooth connected smartwatch

Make payments with Samsung Pay almost anywhere you swipe or tap a credit card. Battery Type and Size : 380mAh Li ion

With military grade performance, the Gear S3 resists water, dust, extreme temperatures and the occasional drop; Typical Usage: up to 3 days

Compatible with Android and iOS smartphones (compatible with select Bluetooth capable smartphones using Android OS 4.4 and later with at least 1.5GB RAM as well as iPhone 5 and later with iOS 9.0 and above. Gear S3 supported smartphones may vary by carrier and device. For a list of compatible smartphones and features