💚💚💚【Developed for Children】This finger pulse oximeter fits for kids 2.5-15 years old, and is not designed for newborns and infants. (NOTE: When you measure, Your finger and body do not tremble during measuring. Pls keep still, avoid measurement failure ) 💚💚💚【2 X AAA Batteries Power Supply Design】This pulse oximeter use 2 XAAA batteries power supply, (Batteries Included in the package) which is convenient and fast. Pls NOTE:(Our device have positive and negative signs in the battery slot. So when installing the battery, first be sure to check the positive and negative signs in the battery slot to avoid installation errors. ) 💚💚💚 【Accurate & Fast Reading】：You just need to clipping the child pulse oximeter on the finger, press power botton wait 8s, (Your finger and body do not want tremble du.
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