You can now accurately and reliably determine your blood oxygen saturation (SpO2) levels, pulse rate, and pulse strength with this Fingertip Pulse Oximeter. Perfect for sports enthusiasts, aviators, trainers, bikers, mountain climbers, or anyone who wants to obtain their SpO2 on the go! It measures your blood oxygen levels and pulse strength within seconds. Taking a reading is easy, just clip it on to your finger and turn it on at the press of a button. The large LED display makes viewing the results a snap. Its small size makes it convenient and easy to carry around.