Wear on and off the course. Rechargeable battery up to 10 days of life - 15 hours on GPS mode. Pre-loaded with 42000+ CourseView maps. AutoShot game tracking. Green View - green's true shape from wherever on the course. Distances to the front middle and back of the green. Garmin Golf app membership. Receive smart notifications. Built-in sports apps. Garmin Connect app. Gunmetal polished metal bezel. Black silicone quick release strap. Case size: 43.4 x 43.4 x 11.7mm. Strap fits wrists 125-202mm in circumference. Water resistant to 50 M.