Triac Medical Products Backpack For Enteralite Infinity™ Pump, 1 Each Hearing Protection Relieves pain and improves muscle Select Ear:Left Ear Relieves pain and improves muscle performance * System is a battery operated wireless pulse generator that sends electrical impulses from a remote control to a receiver (round disk) with electrodes attached to them that are placed on the body to stimulate the nerves causing pain * Wireless remote controls the On Off Intensity and Mode functions of the receiver Protein to calorie ratio designed for high protein requirements Sporty design Made to fit the 1200 mL solution bag or a larger size