Apple Watch Ultra

Battery • Up to 36 hours normal use • Up to 60 hours in Low Power Mode • Fast magnetic USB-C charging Sensors & Health • ECG (electrical heart sensor) • 3rd-gen optical heart sensor • Blood oxygen (SpO2) • Depth gauge (±1m accuracy) • Always-on altimeter • Compass Connectivity • Dual-frequency GPS (L1 + L5) • LTE + Wi-Fi + Bluetooth 5.3 • Emergency SOS, Crash Detection, Fall Detection Other • Customizable Action Button • Dual speakers, 3-mic array • Wayfinder watch face (built-in compass, up to 8 complications) • Compatible bands: Trail Loop, Alpine Loop, Ocean Band