heart monitors

Emily • First time mummy 💗 due April next year xxxx Instagram @nailsbyemily_xx
Anybody else have one ?
I would never buy one but I've had one given to me. 
I can't help but want to hear my baby heart all the time by the last few days I can't seem to pick one up 😢 I know this is why people say not to have them as I'm only 14 and a half weeks and baby might not be in the best position. 
Anyonelse had this ? I've picked up a heart beat but it seems like its mine