["brand new and high quality\nFeatures:\nAdopt OLED high-definition display screen, which can clearly display the pulse rate waveform; multi-directional and large screen display, humanized detail design, easy to read.\nSmall size, light weight, one-button measurement, simple and stylish appearance, blood oxygen detection any for time, any where.\nWhen the battery voltage is too low may affect normal use, there is a low voltage warning indication.\nNo measurement response within 5 seconds, it will automatically shut down, thereby extending the service life.\nInfrared detection, accurate and fast, acceleration sensor, 8 seconds acceleration measurement.\n\nSpecifications:\nProduct Name: Pulse Oximeter\nDisplay mode: OLED display screen\nSpO2 measurement range: 0% ~ \nPR measurement range: 30BPM ~ 250BPM\nPower consumption: less than 30mA\nVoltage: for DC 5V\nBattery: lithium battery\nPower supply: USB Charging\nMaterial: ABS\nSize: app.5.7x3.2x3.3cm/2.24inx1.26inx1.30in\nOptional Colors: White, Black\nQuantity: 1set\n\nNote:\nPlease allow 0-2 for cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 x Fingertip Pulse Oximeter\n1 x Manual\n1 x USB Charging Cable\n1 x Packing Box(other accessories demo in the picture is not included.)"]