Ultrahuman Ring AIR – Sleep and Fitness Tracker, Smart Ring for Men and Women, No app fee for standard features, Up to 6 days battery life (Size 12 )

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Cheapestchecked 21 hours ago	£353.99	In stock	Visit Back to the Office (opens in a new tab)

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About this product

Smart ring activity tracker Round Grey. Heart rate monitor Active minutes Pedometer Hours slept Quality of sleep. Bluetooth. Lithium Polymer (LiPo) 24 mAh Battery life: 6 day(s). Mighty Light. Amazingly Sleek.. 2.4 gms light. 11x lighter than a typical smartwatch.. 2.4 mm sleek. Discreet design for everyday use.. World’s most comfortable wearable. Glides with you through your day, feeling lighter than air. It’s there when you need it, and invisible when you don’t.. Form factor so discreet, it’s easy to forget you’re wearing it but hard to ignore its capabilities.. 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 is vital for measuring your body's physiological states and responses to various factors, including exercise, stress, and illness.. Listen to your body clock. The Phase Response Curve (PRC) describes the intricate interplay between a stimulus, such as light exposure, food or exercise mapped to a shift in your body's circadian rhythm.. Here’s to a more active you. The Movement Index is designed to keep you moving for optimum glucose metabolism and to increase your non-exercise energy usage.. Maximize recovery with key HRV insights. The correlation between HRV and recovery is pivotal to understanding the body's recuperative capabilities and its readiness to take on another day.. The only nudges that you need. Personalised nudges for a healthier you. Get tailor-made insights and alerts to help you make better choices in real time.. Performance. Display type. No. Touchscreen. No. Design. Device type. Smart ring activity tracker. Form factor. Round. Product colour. Grey. Housing material. Resin. Control type. Wireless. LED indicators. Yes. Features. Heart rate monitor. Yes. Active minutes. Yes. Pedometer. Yes. Hours slept. Yes. Quality of sleep. Yes. Motion sensor. Yes. Ports & interfaces. Bluetooth. Yes. Bluetooth Low Energy (BLE). Yes. Power. Battery life. 6 day(s). Battery technology. Lithium Polymer (LiPo). Battery capacity. 24 mAh. Rechargeable battery. Yes. Charging time. 3 h. Charging source. Wireless. Weight & dimensions. Width. 81 mm. Depth. 81 mm. System requirements. Mobile operating systems supported. Android 8.0, Android 10.0, Android 9.0, Android 11.0, Android 12.0, Android 13.0, iOS 15, iOS 16, Android 6.0, Android 7.0. Packaging content. Cables included. USB Type-C to USB Type-C. USB charger included. Yes