Wireless pulse CO-oximeter O2Ring

Wellue O2Ring Color Screen Bluetooth Ring Pulse Oximeter Heart Health Monitors Wireless Bluetooth 4.0 BLE Battery/Battery Life 3.7Vdc, Rechargeable Lithium-polymer/12-16 hours for typical use Recorded parameters Oxygen level, Heart Rate Mobile APP IOS 9.0 or above, Adroid 4.4 or above Oxygen level range 70% to 99% The World's First Wearable Ring Oxygen Monitors √ Track blood oxygen levels and heart rate every second with medical accuracy. √ Built-in vibrator alerts low blood oxygen levels or abnormal heart rate events. √ Totally free APP and PC report. √ Sleek, comfortable, elegant design. √ Built-in memory. √ Built-in rechargeable battery. Who Will Benefit? Designed for Every Second The lightest, smallest, most comfortable ring sensor for overnight continuous monitoring, durable and adapt to most fingers.