3M™ Ace™ Elbow Support, Breathable, Adjustable, 1 Box of 12 Locator Aids sturdy one piece design with open Procedure Mask Ultra Pleated sturdy one piece design with open heel and integrated strapping to aid in full circumferential compression Comes complete with two sound heads that can be plugged in simultaneously for more targeted therapy * Simple to operate the user can switch between wands with the single push of a button * Comes complete with two sound heads 1 cm2 and 5 cm2 for more targeted therapy * Used for the treatment of chronic and acute muscular pain * User can switch between dual sound heads with the push of a single button * Fully functional 1 MHz and 3 MHz frequencies * 20 user defined presets with pulsed and continuous therapy * Ergonomic handle design * Two year warranty * The elbow support has an adjustable design for a comfortable fit It has a comfort sleeve that allows for easy application