Plyometric Rebounder Ball 7 lb. Green 7 Diameter Physician Bags Unit * Provides ultrasound dual Color:Yellow Unit * Provides ultrasound dual channel high volt pulsed DC stimulation and low volt galvanic * Used for iontophoresis * Up to 20 watts of variable or non interrupted ultrasound * High Voltage features reciprocal and ramped surge modes with adjustable surge duration (1 160pps) * Balance Control Feature * Lo Volt Galvanic has constant currentoutput variable surge and continuous mode and reverse polarity * Up to four electrodes * Measuring range:0bpm~250bpm Unique texture is easy to grip grasp and throw * Softness of ball enhances grasp * Balanced uniform weight * Use for upper body rehabilitation and fitness exercises * Designed to throw against plyometric rebounders * Color coded to easily identify weight