fingertip device accurately monitors SpO2 (Oxygen saturation level) and PR (Pulse Rate) through the patient’s finger. It suits home health care, hospitals, oxygen bars, communities, medical centres, and sports activities. Choose from top brands like Scure and Contec and ensure reliable health monitoring at your fingertips. Stay informed about your oxygen levels and pulse rate conveniently with our quality Pulse Oximeters. specification 3.7v Rechargeable lithium polymer battery, Power consumption is less than 20mA. features Unique design for children, Comfortable for wear, Low power and finger-out alarm, Rechargeable lithium battery, Automatic power when the finger is not detected.