Ultrahuman Ring AIR Aster Black Dive Polar Running Power from the

Polar Running Power from the wrist is unique in the sense that it provides accurate

so you can determine if it’s a good day to go hard — or take it easy

Auto-calendar (to year 2039)

VO2max is the ultimate figure to illustrate your aerobic fitness – and now finding it is as easy as going for a stroll

This model is powered by an automatic (with hand winding) in-house calibre F6222 and come with time and date indicators

Ultrahuman Ring AIR Aster Black Dive Polar Running Power from theOther Available colours: Space Silver Matte Grey Raw Titanium Bionic Gold Rose Gold Ultrahuman Air Ring comes with 1 Year Warranty. Worlds most comfortable wearable Wake up to your sleep insights The Sleep Index, intelligently designed to be your sole metric for sleep health, assesses your total sleep duration, resting heart rate, and restfulness, creating a comprehensive picture of your sleep quality. Temperature tracking made easy Skin temperature