Used once for an Amazon review. The 2025 Wellue SleepU Continuous Wrist Pulse Oximeter with SpO2 Ring Sensor Probe is a compact and lightweight device that monitors oxygen levels, pulse rate, and motion while you sleep. With a rechargeable power source, built-in memory for 4 sessions up to 10 hours each, and a display interval in the app of 4 seconds, this pulse oximeter is perfect for tracking your sleep health. The OLED display and wrist form factor make it convenient to use, and it comes in a stylish blue colour. The CE certification and 1-year manufacturer warranty ensure quality and reliability.
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