It's a Mystery | Product box opened but never used | Instructional booklet missing but printed one off internet 

*The PERFECT opportunity to have an amplified stethoscope on-hand to demo to medical professionals who use or interested in pursing hearing instruments

• Versatile stethoscope for auscultation that may be used as
  • analog stethoscope (no amplification) worn like traditional stethoscopes
  • amplified stethoscope work like traditional stethoscopes
  • Bluetooth amplified stethoscope to use with Bluetooth hearing instruments in real time
  • Bluetooth amplified stethoscope that streams recorded auscultation to Bluetooth hearing instruments
• Connects to Eko software on a smart device to visualize, record and share heart sound waveforms
• Up to 40x amplification (at peak frequency vs. analog mode)
• Seven sound amplification levels
• Active noise cancellation reduces unwanted background sounds
• Designed for use with adult and pediatric patients
• FDA-cleared and HIPPA compliant
• Eko CORE Digital Attachment & Free Eko App: 
  • Provides wireless functionality utilizing Bluetooth 4.2 low-energy
  • Supports wireless auscultation using the Eko App & headphones, Bluetooth-enabled hearing aids or other devices
  • Software is compatible with iOS and Android devices (Apple iOS 11 or later, Android Galaxy, Google Pixel and other Android devices 8.0 & up)
  • Visualize - Heart sound waveforms (phonocardiogram) in real-time
  • Capture - Save and annotate 15, 30, 60 or 120 second recordings to chronical a patient's exam history in the secure dashboard
  • Analyze - Create a library of heart sounds to monitor the progressions of a disease or for education 
  • Share - Securely share recordings with colleagues as easily as sending an email
  • Data syncs with connected dashboard
  • Downloadable .WAV and .PDF files
  • Built-in rechargeable battery provides up to 8 hours of continuous use; fully charges in 2 hours

NOTE: cannot be sold as new; manufacturer warranty void