Fingertip pulse oximeter

medicalbattery-poweredblue

Things to know before buying: ❤Battery installation needs to align the positive and negative poles (you can ask the seller if you don’t), press the button to boot ❤Test method: Use your left index finger to put the fingerprint surface into the product for 5-8 seconds to complete the test, please refer to the manual for details! ❤We welcome wholesale and dropshipping orders , if you have any questions, please leave us a message, we will do our best to help you as soon as possible. ❤Before leaving a bad reviewor file a dispute, you are welcome to contact us at your convenience, and we will spare no effort to satisfy you. -High-definition screen, clear and clear measurement results -Ergonomic design, soft and comfortable, more accurate measurement -Small size, light weight, easy to carry, one-key measurement