Digital Fingertip Pulse Oximeter OLED with oximeter case finger pulse oximeter SpO2 blood oxygen saturation monitor with rate measurements meter

Characteristics: 1. Quick measurement, 3-5 seconds get readings. 2. Product adopts LED display. 3. Low power consumption, work continuously for more than 8 hours after full charged. power indicator 4. AAA Battery. 5. Package size, easy to carry. 6. Suiteable for kids and aults. packing list： -1 x fingertip oximeter (built-in lithium battery) -1 x lanyard -1 x micro USB cable -1 x English user manual -1 x retail Tips for use： 1. Open the clamp. 2. Place index finger on pulse oximeter and close clamp. Note that your finger must touch the bottom of the clip. 3. Turn on the pulse oximeter by pressing the front panel button once. 4. Hold still for accurate reading. 5. Within about 8-10 seconds, your readings will appear on the screen. You can change the display mode by pressing the power switch. The device automatically turns off after 8 seconds.