The Finer Details Controls: Touchscreen Operating system: Garmin OS Compatibility: Android 7.0 or higher, iOS 13.0 or higher, Windows PC Connectivity: Bluetooth 4.0, WiFi, Ant+, GPS Battery: Rechargeable lithium-ion battery Charging method: USB cable Box contents: Garmin Forerunner 965, charging cable, documentation. Dimensions: 47.1 x 47.1 x 13.2 mm (H x W x D) Garmin Forerunner 965 Running Watch