Sell Monitors✒☢❄JK Digital Fingertip Pulse Oximeter OLED Display Blood Oxygen Sensor Measurement Meter best price

Features: Two colors for your choice. Small and light, one key measurement. Silicone finger mold is more comfortable to wear. Automatic shutdown if no finger after 5 seconds, energy saving, long standby. Widely used in family, oxygen bar, physical care in sports, etc. Specifications: Display mode: 0.96 inch two color OLED display (blue and yellow) Display resolution: 128*64 Measurement range of blood oxygen saturation: 0%-100%(resolution 1%) Accuracy: 70%-100%: +2%, lesss than 70%, undefined Measurement range of pluse rate: 30-250bm(resolution of 2bpm) Accuracy: +2bpm or +2% whichever is higher Working Voltage: D-C 3.0V Package weight: 50g/1.8oz Package size: 110*80*38mm/4.3*3.1*1.5in