Oura Ring Sizing Kit



Oura is like having a sleep lab on your finger.

State of the art sensors collect your data as you sleep.
Your finger provides the most accurate reading for over 20 biometrics like heart rate, body temperature, blood oxygen, and more.
79% accurate to gold standard polysonography versus smart watches and fitbits which are only 60-65% accurate.

Not sure how well you are sleeping?

Wear your Oura, You will know for sure how fast you slept, how light, how deep, how much REM.
Other metrics fill in the picture of your health such as whether you had any apnoea or breathing events, your heart rate and your HRV

Health is the greatest gift!

Over 1 million members and counting all feeding their data and a study of 699 people surveyed, in means we can tell you for sure, that 86% of Oura ring users experience an improvement in their sleep.

Best sleep tracker 2022
Best App, Health and Wellness 2023


Components & Sensors
Inside your ring lies infrared LED sensors, a NTC body temperature sensor, a 3D accelerometer, and a gyroscope.
Weight & Dimension
Lighter than a conventional ring, Oura weighs in at only 4 to 6 grams (depending on ring size) with a width of 7.9mm and a thickness of 2.55mm.
Battery & Power
Your ring has a battery life of up to 1 week, and gets a full charge in 20-80 minutes.
Durable & Water-Resistant
Durable titanium with a diamond-like carbon coating. Water resistant up to 100m – the perfect balance of durability and comfort.

Ōura rings are in US sizes. If you are unsure of your size please order the free sizing kit first or contact the Clinical Support Team at support@sleepdrops.co.nz

The text kit will be delivered to you by courier. Once you have determined your ring size please send the kit back using the provided prepaid courier envelope. There are limited numbers of kits and we need them back asap.
Thank you for your cooperation.

Out of stock