Features 1. With high performances speed sensor, The measurement time is shortened and it shows parameters such as blood oxygen, pulse rate and pulse in only 2~3 seconds for general population. 2. Accurately determine your SpO2 (blood oxygen saturation levels) and pulse rate and display it conveniently on a large digital LED backlit display. 3. Easy to use. Taking a reading is easy, just clip it on to your finger, then It will automatically sense and start measuring. 4. Suitable for mountain climbers, skiers, bikers, aviators or anyone interested in measuring their SpO2 and pulse rate while on the move. You should only use the pulse oximeter before or after your exercise. Also, you must remain stationary while the pulse oximeter measure your pulse and SpO2. 5. Light weight, only 50g, easy to carry and accommodates wide range of finger sizes. USB charging is also very convenient. Specification Material: Silicone Color: Pink Weight: 45g Package Includes: 1 x Oximeter