Pulse Oximeter Approved UK, Blood Oxygen Monitor Finger and Wrist with Bluetooth, Wearable Sleep Free APP&PC Report

【Bluetooth APP for Android and iOS】The Vihealth App allows you to share overnight oximetry data and trend easily, or watch your real-time SpO2 and heart rate on your phone or tablet. Please download Vihealth or from Apple Store or Google Play. 【Smart Alarm】The adjustable vibration alert stirs you to wake gently if blood oxygen saturation falls below your defined level, reopen your airway to avoid long-term hypoxemia and damage in your vital organs. 【Overnight Monitoring】Checkme O2 records your SpO2(blood oxygen saturation level), pulse rate, and motion of your sleep overnight with medical accuracy. Great sleep oxygen monitor for people with snore or sleep apnea, and a perfect mate for CPAP machine.*(WearO2 don't provide readings during sport.) 【Comfort Patented Ring Sensor】Soft silicone ring sensor doesn't make your finger numb, never slips from your finger, completely free your finger. 【Rechargeable Battery】No AAA batteries required, without keeping batteries nearby, continuous using up to 2 nights(16 hours) after one charge.