Ultrahuman Ring Air Size 11 Space Silver

The Ring Air Size 11 Space Silver tracks heart rate, sleep, steps, and skin temperature for all-day health monitoring.

Sized for comfort, this Ultrahuman fitness tracker suits users who want discreet, lightweight tracking without a wristband. The 8.1mm wide ring is crafted from fighter jet grade titanium with a hypoallergenic epoxy resin inner coating, making it suitable for daily wear and overnight use.

Bluetooth v5.0 connectivity syncs your data to compatible iPhones and Android devices, while the battery lasts 4 to 6 days on a full charge. The ring is water resistant up to 100 meters for up to 12 hours, so you can keep it on during most activities.

Model 170128 in silver comes with a 1 year manufacturer's warranty.