Tracks sleep stages, heart rate and recovery from your finger, with no screen to distract you and no charging for five days. Titanium finish, waterproof, sizing kit available.

Key specs • Tracking: sleep stages, heart rate, HRV, recovery score • Battery: 5 days per charge • Body: titanium shell, waterproof to 100m • Weight: 3g, no screen to distract • Sizing: sizing kit available - order it first

In the box Ring, charging dock, USB-C cable

UK notes Order the sizing kit before the ring. Ring size is not the same as finger size for wearables - a loose ring loses the sensor contact and the data becomes useless.