So after I have read a lot and have already two great kids ..... and now am pregnant again .... I wolllte it easy to have also my partner to show times ... as the sounds are and .... I must say that surpasses my expectations really .... you can see the noise but best listen through speakers located ..... because caution the sounds in the headphones can do pretty hurt .... hihi .... and talk to 7 am beginning SSW .... and my husband can not only hear the sounds of the umbilical cord with patience ... no also the hearts .... and Top sellers ... was the same the next day with me .... , TOP !!!!!