inputs.text: little anoying pretty cool really - part dont run hr monitor im good shape run lot first get started like know im heres skinny actually talks tells slacking slow set heart rate limits really good job figuring mine automatically im training like push pretty hard heard \\youre going fast please slow down\\ half hour however youre not training marathon youre trying get precious 3060 mins elevated heart rate 6080 product works well downside monitor use earphones means wont jamming mp3 player make model fm radio voice jumps tell like run treadmill watch tv would work perfectly oh yeah aside fact cant listen mp3 player unless build little mixer circuit headphones blow luckily uses typical headphone jack use whatever headphones mixer circuits like runs cr2032 coin battery seems decent battery life good cr2032s arent really cheap one suits needs would get one otherwise might consider one radio built like product nice little 3 mile jaunt youre training speed going anaerobic listening \\youre zone please slow down\\ mention pleasant womans voice yep not computerized like mine well enough consider getting dad one id recommend