Ultrahuman Ring Air Aster Black koko 12

The Ultrahuman Ring Air in Aster Black, Size 12, is a lightweight smart ring designed for continuous health and activity tracking. Crafted from durable materials, it offers a comfortable, unobtrusive fit for all-day and overnight wear, providing insights into your body's key metrics without a display.

Key features

• Water resistant up to 100 meters, suitable for swimming and showering
• Battery life of up to 6 days on a single charge
• Periodic heart rate monitoring throughout the day
• Sleep mode for automatic sleep tracking and analysis
• Bluetooth connectivity for seamless data syncing
• Lightweight design at just 2.4 grams
• Size 12 fit with a sleek Aster Black finish