Bbluv Echo Wireless Feal DopplerEch allows you to hear and record your babys heartbeat, kicks and hiccups in the privacy of your own home, while promoting bonding with your baby. Features: Secure and non invasive Compact, ergonomic, lightweight and portable design High sensitivity and clear sound Record, transfer and share the precious sounds of your baby with family and friends Pair of headphones, transfer cable and carry bag included Earphones and battery included Dimensions