2 x Ear Clip Sensor. Connect to the USB heart rate box. Connect to sports machines: Stepper, Treadmill, etc. Connect to for iOS/Android phones with receiver.
2X(Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness9816
2X Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness6394
2X(Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness6009
2X(Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness1876
2X(Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness6287
2X(Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness4068
