- All new health sensing system works with S11 chip
- Most accurate heart rate sensing – 60x more frequent background heart rate reading
- Readiness and vitals with improved HRV
- All-new Siri AI and Audio intelligence
- Up to 14 more hours for up to 50 hours of total battery life
Buy Apple Watch Ultra 4 GPS + Cellular 49mm with Trail Loop in Singapore
Buy Apple Watch Ultra 4 GPS + Cellular 49mm with Trail Loop in Singapore. Made for running, hiking and everyday movement, this option combines a lightweight, adjustable band with precision GPS, detailed training insights and extended battery life.
Why Choose Apple Watch Ultra 4 with Trail Loop?
The Trail Loop is ideal for runners, hikers and active users who prioritise lightweight comfort. Its flexible construction and adjustable fastening help provide a comfortable fit during longer workouts and everyday wear.
A convenient pull tab makes it easier to adjust the fit while you are moving or when your wrist size changes during extended exercise.
Precision GPS for Running and Hiking
Precision dual-frequency GPS helps track your pace, distance and route across city runs, trails and outdoor adventures. Pacer lets you work towards specific time and distance goals, while Race Route compares your performance with previous runs.
Automatic Track Detection supports accurate track workouts, and Custom Workouts allow you to create work and recovery intervals for structured training.
Useful Navigation for Outdoor Adventures
Hikers can create custom routes, receive turn-by-turn directions, download offline maps and mark important locations using waypoints in the Compass app. Backtrack can use GPS data to help retrace your route when you are away from familiar paths.
The Action button also provides quick physical control over functions such as starting a workout, marking a segment or turning on the torch.
Training Readiness and Recovery Insights
The Health Sensing System and S11 chip provide frequent heart rate and heart rate variability measurements. Personalised Heart Rate Zones help you monitor workout intensity, while training load shows how recent exercise may be affecting your body over time.
A readiness score analyses recent activity, vitals and sleep to help you decide whether to train harder or focus on recovery.
Additional Health Features
Apple Watch Ultra 4 supports features including ECG, Blood Oxygen, sleep tracking, sleep score and notifications for high, low or irregular heart rhythms.
Health-feature availability may vary according to country, software version, device compatibility and regulatory approval.
Battery Life for Endurance Activities
Apple Watch Ultra 4 provides up to 50 hours of battery life during normal use and up to 84 hours in Low Power Mode. For longer training sessions, it supports up to 18 hours of standard workout tracking or up to 45 hours of Max Extended Workout tracking.
A 15-minute fast charge provides up to 18 hours of normal use, making it easier to recharge between workouts or before heading outdoors.
Leave Your iPhone Behind
GPS + Cellular connectivity lets you make calls, receive messages and use supported services without keeping your iPhone nearby, subject to compatible mobile service, device support and network coverage. View the latest Singtel iPhone offers and verify compatibility before purchase.
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