The Ultrahuman Ring Air in Aster Black (size 12) is a barely-there smart ring that measures sleep, HRV, movement and temperature. Insights arrive in the Ultrahuman app with no subscription to pay. A charge lasts up to 6 days, so it rarely leaves your finger.

Key Features

• Advanced sleep algorithms show how long and how well you sleep each night
• Tracks HRV, movement and temperature to give practical daily health insights
• No subscription fees, so every feature is included from day one
• Syncs with Apple Health and Garmin Connect for a complete view of your data
• Lightweight minimalist design in a sleek Aster Black finish that is barely noticeable when worn, with up to 6 days per charge

Ultrahuman Ring Air Specifications

Who It's For

Aimed at size 12 wearers who want an easy way to check how well they slept and how ready they are for the day. In Aster Black, you get a dark, low-key look for work or the gym. Useful for students, parents, shift workers and anyone fine-tuning their training and rest.

Browse more smart rings at Tech Supply Shed.

1 Year Manufacturer Warranty

ULTRAHUMAN