Sell Portable Digital Fingertip Pulse Oximeter | Blood Oxygen Saturation Meter | Pulse Rate Monitor | He best price

✅ accurate, reliable and fast reading | proved by clinical testing and consistent results. ✅On large digital red LED displays, oxygen saturation results can be received in 8 to 10 seconds. ✅ blood oxygen saturation degree, pulse counting | simple bar chart shows you the blood oxygen saturation and pulse strength results. ✅ portable and easy to use | light weight, compact, easy to operate and carry, at home or in the open can get results. ✅ is suitable for all ages | intelligent design can accommodate a variety of finger size, use finger chamber, excluding emulsion of silicone materials. ✅ One-key operation, simple and comfortable to use ✅Use AAA batteries to save energy for up to 30 hours ✅ The battery is not included in the purchase