... weeks pregnancy in hospital, clinic even at home.Features:Compact and light ,Easy to use, Ergonomic designAll in one design,The ... Rate Range 50-210 bpmTwo audio output can connect two earphone,speaker or computerSpecification:Ultrasonic Frequency: 2.5 MHzDimension:50(W)* 34 ... ,Recording Cable ,Instruction Manual CE approved home pocket fetal doppler with LCD screen BS-404