Ultrahuman Ring Air Gold Size 11

The Ring Air is light, compact and designed for comfortable all-day wear. The minimalist style makes the smartring look good whether you're working out or going out for a night on the town. Plus, the ring is water-resistant up to 100 metres, so there's no need to take it off while showering or swimming.

• Wake up to your sleep insights: The Sleep Index assesses total sleep duration, resting heart rate, and restfulness, providing a comprehensive view of your sleep quality.
• Temperature tracking made easy: Monitors skin temperature to measure your body's physiological responses to exercise, stress, and illness.
• Listen to your body clock: Phase Response Curve (PRC) maps how stimuli like light, food, or exercise affect your circadian rhythm.
• Here’s to a more active you: The Movement Index encourages activity to optimize glucose metabolism and increase non-exercise energy usage.
• Maximize recovery with key HRV insights: Tracks the correlation between Heart Rate Variability (HRV) and recovery to gauge the body’s readiness for the next day.
• The only nudges that you need: Personalized real-time insights and alerts help you make healthier daily choices.