Oura Ring
The Oura Ring is one of the most unobtrusive wearables money can buy. It offers an impressive 7-day battery and has the potential to help you improve your sleep.
During the night, the ring tracks sleep quality, sleep stages, ECG level, resting heart rate, heart-rate variability, and your body temperature. It’s also one of the few sleep trackers that offers guidance on how to improve your circadian alignment.
The Oura Ring uses two infrared LEDs to measure blood volume pulse directly from your finger’s palmar arteries, a 3D accelerometer and gyroscope detect the direction and intensity of your body movement, and three NTC temperature sensors track temperature variation. A lot of impressive tech for a device this small!
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