Apple Watch Ultra 3 GPS + Cellular 49mm Natural Titanium Case with Light Blue Alpine Loop - Small (MEWK4AF/A) - Case Size: 49mm, Strap Size: Small (130 - 160mm), Processor: S10 Chip with 64‑bit Dual-Core Processor, Always-On Retina with OLED and LTPO Display, Connectivity: 5G and LTE, Wi-Fi 4 802.11n + Bluetooth 5.3, GPS + Cellular, Sensors: Electrical Heart Sensor, Third-Generation Optical Heart Sensor, Ambient Light Sensor, Water Temperature Sensor, Depth Gauge and Depth App to 40m, Dual Speakers Media Playback, Three-Microphone Array with Beamforming and Wind Noise Mitigation, Always-on Altimeter with Expanded Operating Range from –500m to 9000m, Compass, Waypoints, Backtrack, and Elevation View, High Dynamic Range Gyroscope, Compatible with Apple iPhone 17 Pro Max, iPhone 17 Pro, iPhone 17, iPhone Air, iPhone 16e, iPhone 16 Pro Max, iPhone 16 Pro, iPhone 16 Plus, iPhone 16, iPhone 15 Pro Max, iPhone 15 Pro, iPhone 15 Plus, iPhone 15, iPhone 14 Pro Max, iPhone 14 Pro, iPhone 14 Plus, iPhone 14, iPhone 13 Pro Max, iPhone 13 Pro, iPhone 13, iPhone 13 mini, iPhone SE (2022), iPhone 12 Pro Max, iPhone 12 Pro, iPhone 12, iPhone 12 mini, iPhone 11 Pro Max, iPhone 11 Pro, iPhone 11