Stemoscope PRO is the first Dual-Wireless-Mode Bluetooth electronic stethoscope designed mainly for healthcare professionals. In Earphone Mode, the detected sounds can be transmitted DIRECTLY to paired Wireless Earphones. No need to pull out your phone! In Smartphone Mode, the detected body sounds can be transmitted to a smartphone or tablet running the DrStemo app for further process. The compact design, precise machining stainless steel body, perfect mate of Bluetooth earphones, mobile app and noise cancelling functions provide you superb auscultation experience.