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BVP/HRV Finger Sensor for Physiocom GP-4 , GP-8 & GP-12Blood Volume Pulse (BVP) Finger Sensor for GP-4 , GP-8 and GP-12 biofeedback devices from Physiocom Designs (formerly J&J Engineering). Can be used for Heart Rate Variability (HRV) training Learn More$25.00 -
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J&J Input Extension CableInput extender for the J&J C2+ 12 channel and 6 channel systems. Learn More$40.00
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- Manufacturer J&J Engineering Remove This Item
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