Come and see our amazing products. Advanced technology combined with unique convenient features makes this oximeter a must-have for those concerned about their well-being. The Fingertip Pulse Oximeter is Designed for sports enthusiasts, pilots, or anyone who wants to obtain their SpO2 (Blood Oxygen Saturation Levels) and PR (Pulse Rate) on the go. You should only use the pulse oximeter before or after your exercise. Also, you must remain stationary while the pulse oximeter measures your pulse rate and SpO2 levels. The Fingertip Pulse Oximeter features a small volume, low power consumption, and convenient operation. Once the fingertip is placed in the padded clip and power is switched on, the oximeter will begin measuring oxygen levels and heart rate. Dual color OLED display. 2 x AAA batteries needed (not included). Pls confirm with us about the packing info, stock color and exact production time before placing your order.