Excited to hear your baby's heartbeat at home between doctor's visits? This portable fetal Doppler monitor (Model K4) lets you do just that. It's a handheld device that uses ultrasound to detect and amplify the fetal heartbeat, usually from around 12 weeks of pregnancy onward. It's designed to be easy for expectant parents to use at home. The product description mentions it comes with a carrying bag and uses Velcro, likely for securing something like the probe or cord. It's important to have realistic expectations: finding the heartbeat can take some practice and depends on factors like the baby's position and the mother's anatomy. It's meant for occasional, peaceful bonding moments, not for medical diagnosis. If you have any concerns, always contact your healthcare provider. This can be a special way to connect with your baby during pregnancy. Please note that the provided description was very brief, so for detailed instructions on use, safety, and included accessories, it's best to refer to the product manual or listing images.