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 7)

Bluetooth, 24 mAh, Size 7, Space Silver

Description

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.

Specifications

Performance
Display type	No
Touchscreen	No
Active minutes	Yes
Hours slept	Yes
Quality of sleep	Yes
USB charger included	Yes
Motion sensor	Yes
Heart rate monitor	Yes
Pedometer	Yes
Design
Form factor	Round
Housing material	Resin
Device type	Smart ring activity tracker
Product colour	Silver
Control type	Wireless
LED indicators	Yes
Waterproof up to	100 m
Display
Display type	No
Touchscreen	No
Features
Active minutes	Yes
Hours slept	Yes
Quality of sleep	Yes
Motion sensor	Yes
Heart rate monitor	Yes
Pedometer	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
Charging time	3 h
Charging source	Wireless
Rechargeable battery	Yes
Weight & dimensions
Width	81 mm
Depth	81 mm
Thickness	2.8 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
Operational conditions
Operating temperature (T-T)	-5 - 50 °C
Packaging content
USB charger included	Yes
Cables included	USB Type-C to USB Type-C
Technical details
USB charger included	Yes