Wellue O2 Ring

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This Pulse Oximeter is intended to be used for measuring, displaying and storing of pulse oxygen saturation (SpO2), pulse rate of adults in home or healthcare facilities environmen t. Specifications Environmental Operating Storage Temperature 5 to 40°C -25 to 70°C Relative humidity (non-condensing) 10% to 95% 10% to 95% Barometric 700 to 1060hPa 700 to 1060hPa Protection against electric shock Internally powered equipment Degree protection against electrical shock Type BF Electro-magnetic compatibility Group I, Class B Degree of dust & water resistance IP22 Weight 15 g Size 38×30×38 mm Battery 3.7Vdc, Rechargeable Lithium-polymer Charge time 2-3 hours Battery life 12-16 hours for typical use Wireless Bluetooth 4.0 BLE Oxygen level range 70% to 99% SpO2 Accuracy (Arms) 80-99%:±2%, 70-79%:±3% Pulse Rate range 30 to 250 bpm Pulse Rate accuracy ±2 bpm or ±2%, whichever is greater Vibration source low oxygen level; high/low pulse rate Recorded parameters Oxygen level, Pulse Rate, motion Data storage 4 sessions, up to 10 hours for each Frequency range 2.402-2.480GHz Max RF power -10 dBm Expected service life 3 years Mobile App for iOS iOS 9.0 or above, iPhone 4s/ iPad 3 or above Mobile App for android Android 5.0 or above, with Bluetooth 4.0 BLE Resources: More information about O2RIng Show more