Specification
1.Pocket design,easy and convenient to use
2.High quality loudspeaker,clear timbre,volume can be adjusted
3.Sound alarm function when FHR is not in normal range
4.Two FHR modes:real-time and average
5.Big LCD for dynamic display of FHR and battery energy
6.Matching different battery:AA battery,9V battery or rechargeable battery 7.Continuous working time>8 hours
8.Bulit-in loudspeaker:audio output can conect recorder and earphone
9.Customized color option of blue and pink