Wrist SpO2 monitor SleepU

for sleep apneafor smartphonesBluetooth

Specifications Weight 18g Device Dimension 49×27×44mm (1.95×1.07×1.74 inch) Wireless Bluetooth 4.0 BLE Battery 3.7Vdc,rechargeable lithium-polymer Water and Dust Resistance IP64 Vibration Triggered by low oxygen level Record Parameter Oxygen level,Pulse Rate,motion APP Compatibility Andriod Android 5.0 or above,with Bluetooth 4.0 BLE iOS iOS 9.0 or above,iPhone 4s/iPad 3 or above Charge Time 2-3 Hours Display Interval in APP Data Chart 1 Minute Built-in Memory 4 Sessions,up to 10 hours for each Pulse Rate range 30 to 250 bpm Oxygen level range 70% to 100% Features Comfortable wearing experience Track and record oxygen levels and heart rate Built-in vibrator triggered by Low oxygen levels and abnormal heart rate detection Built-in memory with 40 hours recording Sync real-time data on App via Bluetooth Review data, report and trend on App