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 Fitness1814
2X Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness4268
5X Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness5057
Cardio EAR CLIP for KETTLER Cardio Fitness Equipment Heart Rate Monitoring
Cardio EAR CLIP Heart Rate Pulse Meter Sensor for Cardio Fitness9677
