The Braun Pulse Oximeter 1 is a portable and easy-to-use device that measures heart rate and blood oxygen saturation levels. With its infrared sensor technology and digital display, this fingertip oximeter from the trusted brand Braun provides accurate and reliable results. It is powered by batteries and has wireless connectivity, making it convenient for use at home or on the go. The sleek black design adds a stylish touch to this essential health monitoring device.