€ 167.00 · 4.6 (467) · En stock
Introducing the Ultrahuman Ring AIR, the world's lightest sleep-tracking wearable. With HRV, heart rate, and temperature monitoring, it provides
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Available in 10 sizes from 5 to 14. Get the Ultrahuman Ring AIR Sizing Kit to guarantee the perfect fit before purchasing your ring Sleep Index is
Ring AIR: Sleep,Recovery & Workout Tracking, Menstrual & Pregnancy Insights, HRV, 6 Days Battery, Lifetime Free Subscription