Come and Check Our Branding Solutions.This oximeter finger with pulse increased accuracy to 2% with 10000+ laboratory tests,can check spo2 range 70-100%,pulse rate range 25-250bpm,with nature latex and intelligent spring,suitable for anyone aged 3-80,check your SpO2 and pulse level after flying,skydiving,running,hiking,biking,swimming,mountaineering,skiing,high altitude climbing,waking up,and more,better to reaching your fitness goals or prevent discomfort,keep your health. Pls check inventory and detailed info before placing your orders.