Apple Watch Ultra 4 Smart Watch , 49 Millimeter Black Titanium and Burgundy

Brand: Apple
Type: Smartwatch
Model: Watch Ultra 4

Display:

• Always-On Retina display with wide-angle OLED and LTPO3
• Resolution: 422 × 514 pixels; 326 pixels per inch
• 3000 nits peak brightness; 1Hz refresh rate

Chip: S11 chip; 64-bit dual-core processor; 4-core Neural Engine; 64GB

Key Features:

• Customizable Action button and Digital Crown with haptic feedback
• Siri powered by Apple Intelligence
• Health Sensing System with heart rate, blood oxygen, and temperature sensors
• ECG, sleep, and cycle tracking
• Training Load, VO2 max, and Heart Rate Zones
• Recreational diving up to 40m with depth and water temperature sensors
• Satellite communications for Emergency SOS, Messages, and Find My
• Emergency SOS, Fall Detection, and Crash Detection
• Water-resistant up to 100m and IP6X dust-resistant
• Tested to MIL-STD 810H

Battery:

• Built-in rechargeable lithium-ion battery
• Up to 50 hours of normal use
• Up to 84 hours in Low Power Mode
• Up to 18 hours of outdoor workout
• Up to 25 hours of Extended Workout
• Up to 45 hours of Max Extended Workout
• Up to 80% charge in about 45 minutes
• 15 minutes of charging provides up to 18 hours of normal use
• 5 minutes of charging provides up to 10 hours of sleep tracking

Operating System: watchOS
Connectivity: Wi-Fi 4, Bluetooth 5.3, dual-frequency GPS, Ultra Wideband, 5G RedCap, LTE Compatibility: iPhone 11 or later with iOS 27 or later