3 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.
3X Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness6245
3X Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness7241
3X(Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness6140
3X Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness5792
3X Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness6853
Cardio EAR CLIP for KETTLER Cardio Fitness Equipment Heart Rate Monitoring
