Ultrahuman Ring AIR, Smart Ring, Space Silver

2.4 grams 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.

Technical Specifications

Body

Dimensions

Width - 8.1mm

Thickness - 2.45 - 2.8 mm (varies with size)

Weight

2.4 - 3.6 g (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 tear

The 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 App

Compatible with iPhones running iOS 15 or later and Android devices running Android 6 or later.

EMF radiation safe

Sensors

Infrared Photoplethysmography (PPG) sensor

Non-contact medical-grade skin temperature sensor

6-axis motion sensors

Red LEDs (heart rate monitoring and oxygen saturation)

Green LEDs (heart rate monitoring)

Infrared LEDs (heart rate monitoring)

Battery

Rechargeable, non-replaceable 24mAh LiPo battery

Last up to 6 days on a full charge

2 - 3 hours to fully charge the Ring from 0% to 100%