The built-in speaker with volume control and LCD display help to find the baby position quickly and easily. The devide is made of high quality plastic material, sturdy to use. Power supply: 2 * AAA batteries(not included). Beautifully designed, lightweight device gives expectant parents the amazing experience of hearing their child's movements from within the womb. A sense of joy and comfort to connect and bond with baby early on with baby heartbeat monitor by listening unborn baby's heartbeat, kicks and moves. The unique unborn baby listening device is 100% safe and non-invasive. all you do is touch it to your belly and start listening the funny and cute sounds that your precious baby makes. Model: YK-90C. Material: plastic. Color: show as pictures. Size: 56.6*34.8*117mm. Battery: 2 * AAA batteries(Not included). 1 * YK-90C Fetal Heart Rate Monitor. 1 * Earphone. 1 * Lanyard. 1 * User Manual.

The built-in speaker with volume control and LCD display help to find the baby position quickly and easily A sense of joy and comfort to connect and bond with baby early on with baby heartbeat monitor by listening unborn baby's heartbeat, kicks and moves The unique unborn baby listening device is 100% safe and non-invasive. all you do is touch it to your belly and start listening the funny and cute sounds that your precious baby makes Beautifully designed, lightweight device gives expectant parents the amazing experience of hearing their child's movements from within the womb The devide is made of high quality plastic material, sturdy to use. Power supply: 2 * AAA batteries(not included)