Features： 1、Quick Result: You will be able to see the amount of oxygen carried in your baby body from USB oximeter. The results have been achieved in less than 2 minutes. 2、6 Modes: Fingertip clip oximeter has a 2 colors led screen with 6 different display positions or modes, and there are one button on it to adjust it. 3、Automatic: With automatic shutdown function, if there is no finger signal, the device will automatically shut down within 8 seconds, safe for you to use. 4、Cartoon Design: With the very cute and lovely deer pattern, children like blood oxygen monitor better and it is more convenient and practical to measure. 5、Portable: LED blood oxygen monitor is small in size, lightweight and compact, it is good for your health to detect your blood oxygen concentration no matter where you are. Specification： Item Type: USB Oximeter Material: ABS, rubber Size: Approx. 5 x 3 x 3cm / 2 x 1.2 x 1.2in Battery: 3.7V lithium battery (200mAh) (built in) Charging Method: USB cable charging SpO2 Measuring Range: 70%-99% PR Measurement Range: 30BPM-240BPM Purpose: To measure oxygen saturation, pulse rate, pulse strength and heartbeat. Package List： 1 x USB Oximeter 1 x USB Charging Cable 1 x Lanyard 1 x English Manual