The Nonin 02 SpO2 meter Model 3230 Bluetooth Smart Pulse Oximeter is a compact and portable fingertip oximeter that provides accurate readings without the need for a probe. This unit is designed for various disciplines such as emergency medicine, cardiology, and dentistry, making it a versatile tool for healthcare professionals. With its Bluetooth connectivity, this pulse oximeter allows for easy monitoring and data analysis. Made in China, this unit is reliable and efficient in detecting pulse rate and oxygen saturation levels. Overall, this product has received excellent reviews for its performance and convenience in medical settings.