Ultrahuman AIR Size 10 Smart Ring - Matte Gray **KNOW YOUR SIZE**

BRAND NEW, SEALED BOX!!

-SERIAL NUMBERS WILL BE DOCUMENTED TO ENSURE YOUR ITEM REACHES YOU AS INTENDED. 

-WE DO NOT SHIP TO PO BOXES.

Due to free shipping and discounted sales prices, we do not accept returns unless the product doesn't match our description (You are covered by eBay's Money Back Guarantee, which covers most transactions on eBay. It means you can get your money back if an item didn't arrive, is faulty or damaged, or doesn't match the listing).

ADDITIONALLY, NO RETURNS FOR WRONG SIZE. KNOW YOUR SIZE BEFORE PURCHASING.

The Ultrahuman AIR Smart Ring is a sleek, comfortable smart ring that tracks your sleep, recovery, and activity. With up to 6 days of battery life, it delivers real-time insights and gentle nudges to help you make smarter health choices every day—empowering you to optimize your performance, wellness, and recovery effortlessly.

Weight: .01 Pounds
Water Resistance: Water-Resistant
Connection Type: No Wired Connection Ports
Includes: Charging/Docking Station, Instructions, Charging Cable
Operating System Compatibility: Android, Apple iOS
Wireless Technology: Bluetooth
Activities tracked: Caffeine Intake, Running, Swimming, Strength Training
Maximum Battery Charge Life: 144 Hours
Metrics Measured: Active Minutes, Sleep Duration, Sleep Quality, Heart Rate, Body Temperature, Blood Oxygen Level (SpO2), Menstruation, Stress Level, Sleep Interruptions, Sleep Stages, Ovulation
Material: Tungsten Carbide, Epoxy, Titanium
Battery: 1 Non-Universal Lithium Ion, Required, Non-Removable