Sell TOP1 Original Digital Finger Pulse Oximeter Monitor | High Quality Authentic Blood Oxygen Saturation best price

Features: 1. Accurate, fast and reliable: fingertip pulse oximeter can accurately test in less than 8 seconds. 2. Detachable box for use to protect the device when not in use, lanyard, convenient to use as a wrist strap or wear on the neck. 3. Sports enthusiasts: For pilots, sports enthusiasts, skiers, cyclists or high-altitude rock climbers, it is a reliable companion for quick and easy reading of oxygen saturation. 4. Good quality: This product is made of high-quality materials, exquisite workmanship, very good quality and long service life.5. Portability: This product is small in size and light in weight, very convenient to carry around.