Replacement Monitor Speedometer Counter for Stationary Bikes Exercise Bike heart rate pulse sensor

Replacement Monitor Speedometer Counter for Stationary Bikes, Exercise Bike Computer 【Works for HeadPhone-Look Cables】Both speedometer & pulse trakcing connection are through 3.5 mm female jacks on the back the monitor - adapters (NOT INCLUDED) might be needed if the device also happen to have FEMALE jacks (rare cases). 【Compatible with Most Indoor Exercise Bikes】 - for Stationary Bikes with "head phone jack" look connection tips. E.g. many bike models by Sunny, PooBoo, L-Now, Snode, Exerpeutic, Pleny, Yosuda, Ativafit, Faafuu - 95% of Amazon brands as well as domestic brands Notice 2 x AAA Batteries Not Included Specification A;Without heart rate B;Without heart rate+speed sensor C;With heart rate D;With heart rate+speed sensor E;Monitor+Speed Sensor+Heart Rate Sensor