Apple Watch Ultra 4
COLORS
Natural
Black
| Features | Sensors | Accelerometer, gyro, always-on heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water) |
|---|---|---|
| Health Sensing System: third‑generation electrical heart sensor, always‑on optical heart sensor, blood oxygen sensor, temperature sensor Temperature sensing (0.01˚ accuracy) Depth gauge (±1m accuracy) Ultra Wideband (UWB) support (gen2 chip) Emergency SOS via satellite |
| Display | Type | Retina LTPO3 OLED, 3000 nits (peak) |
|---|---|---|
| Size | 1.98 inches | |
| Resolution | 514 x 422 pixels (~326 ppi density) | |
| Protection | Sapphire crystal | |
| Wide-angle OLED |
| Sound | Loudspeaker | Yes, with dual speakers (86-decibel) |
|---|---|---|
| 3.5mm jack | No |
| Comms | WLAN | Wi-Fi 802.11 b/g/n, dual-band |
|---|---|---|
| Bluetooth | 5.3, A2DP, LE | |
| Positioning | GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS | |
| NFC | Yes | |
| Radio | No | |
| USB | No |