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 Fitness6140
3X Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness5792
Bumdenuu Cardio EAR CLIP Heart Rate Pulse Meter Sensor for KETTLER Cardio Fitness Equipment Accessories Heart Rate Monitoring
Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness2997
Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness2917
2X(Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness9816
