Ultrahuman Ring Air Size 13 Matte Grey

The Ring Air Size 13 Matte Grey tracks heart rate, sleep, steps, and skin temperature for continuous health monitoring.

This Ultrahuman fitness tracker is designed for users who want discreet, all-day tracking without a screen or vibration alerts. Its fixed size 13 ring fits securely on the finger, making it suitable for those who prefer a low-profile wearable that syncs data to a smartphone app.

The ring connects via Bluetooth v5.0 and is compatible with iPhones running iOS 15 or later and Android devices running Android 6 or later. It is water resistant up to 100 metres for up to 12 hours, allowing wear during swimming or showering. The battery lasts 4 to 6 days on a full charge, supporting extended use between charges.

Model 170140 in grey comes with a 1 year manufacturer's warranty.