The AngelSounds JPD-100B, a heart-shaped design for easy fetal heartbeat monitoring. - Brand: AngelSounds - Model: JPD-100B - Application: Fetal Heartbeat Monitor - Color: White/Pink - Features: Heart-shaped design This is the AngelSounds Fetal Doppler Ultrasound Heart Rate Monitor JPD-100S. Purchased around June 2025 and used approximately 4-5 times between June and August. The earphones were only used by me (the wife), and my husband did not use them. A 9V battery will also be included. It takes a little practice to hear the heartbeat, but it can be heard clearly once the position is correct. (Please note that we cannot answer questions about tips on how to use it, as it varies from person to person. Thank you for your understanding.) The main unit is not included as it is a medical product. Thank you for looking.