Come and see our amazing products. It is convenient and portable size. Measure your blood oximeter saturation and pulse anytime. Let us you know your heath with fast measuring. Certificated by CE, FCC, ROHS and FDA. Once measured,the TFT Pulse Oximeter will display the Pluse rate, heart rate and Blood Oxygen Saturation(SpO2)in 10 seconds. The price includes the shipping cost to ca, QTY for 10K pcs and over by ocean. Friendly remingding: the oximeter need 2 AAA batteries, not included in the package. Pls confirm with us about the packing info, stock color and exact production time before placing your order.