about this item:

Product Description Points: Hear Your Baby Anytime, Anywhere with the Fetal Doppler Baby Heartbeat Monitor. FREE 4D Massager for Mom included this Christmas—perfect for legs, calves, back, and neck. Early Detection from as early as 9 weeks, with clear listening from 16 weeks. Uses safe 3.0 MHz ultrasonic technology with medical-grade accuracy of ±2 BPM. No gel required—simple, comfortable, and mess-free operation. Dual Listening Modes: use the built-in speaker or headphones for private listening. Digital LCD Display shows real-time heart rate (e.g., 150 BPM), battery level, and volume. Lightweight, portable, and 100% radiation-free, ideal for home reassurance between doctor visits. Easy 3-Button Operation, suitable for first-time moms and professionals. Ergonomic, compact design for comfortable handling. Perfect Gift for Expecting Mothers, offering bonding, comfort, and peace of mind.