Wellue O2Ring Oxygen Monitor with Vibration Reminder -Bluetooth O2 Pulse Oximeter Rechargeable, Continuous Recording of SpO2 & PR, Blood Oxygen Saturation Tracker with Free APP & PC Reports

Customers find the oxygen monitor easy to use and appreciate its ability to continuously monitor oxygen levels during sleep, with detailed reports from collected data. The device receives positive feedback for its quality, with one customer noting it performs better than an Apple Watch. However, customers report mixed experiences with accuracy and reliability, with some units failing after several months of use. Moreover, durability is a concern as the band breaks within 4 months and the plastic tears apart.