Handheld Pulse Oximeter Fingertip SpO2 Overnight Heart Rate Monitor $50.0 Power Source Rechargeable Battery Color White MPN JKS50F-Probe Brand Unbranded Sensor Technology Infrared Sensor Type Compact Pulse Oximeter Unit Type Unit Display Type LCD Manufacturer Warranty 1 Year Model JKS50F Connectivity Bluetooth Features Smartphone Compatible, Handheld, Continuous Measurement Country/Region of Manufacture China Unit Quantity 1 Product Line holfenry JKS50F condition Open box Handheld Pulse Oximeter Fingertip SpO2 Overnight Heart Rate Monitor. Open box.