O2 Ring - Finger pulse oximeter

O2 Ring - Professional finger pulse oximeter O2 Ring is an innovative ring that monitors oxygen saturation during the night, vibrating when abnormal beats and / or too low oxygen levels are detected. O2 Ring continuously tracks and records oxygen level, heart rate and body movement. It allows the user to have real-time feedback when the oxygen level in the blood or heart rate exceeds the threshold set in the application.