Ultrahuman Ring Air Smart Tracker

World’s most comfortable wearable
2.4 gms light. 11x lighter than a typical smartwatch.
2.4 mm sleek. Discreet design for everyday use.
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.
 
Technical Specifications
Body
DimensionsWidth – 8.1mmThickness – 2.45 – 2.8 mm (varies with size)
Material
The outer shell is made from fighter jet grade Titanium reinforced with Tungsten Carbide Carbon coating, making it resistant to everyday wear and tearThe inners of the ring is coated with medical-grade hypoallergenic epoxy resin, making it comfortable to wear at all times
Connectivity
Bluetooth Low Energy (BLE5)Automatic firmware updates via the Ultrahuman AppCompatible with iPhones running iOS 14 or later and Android devices running Android 6 or later.EMF radiation safe
Sensors
Infrared Photoplethysmography (PPG) sensorNon-contact medical-grade skin temperature sensor6-axis motion sensorsRed LEDs (heart rate monitoring and oxygen saturation)Green LEDs (heart rate monitoring)Infrared LEDs (heart rate monitoring)
Battery
Rechargeable, non-replaceable 24mAh LiPo batteryLast up to 6 days on a full charge2 – 3 hours to fully charge the Ring from 0% to 100%
Weight2.4 – 3.6 g (varies with size)