Soothe back and shoulders with this easy-to-wear vest that imparts heat and roller massage. 4 powerful motors offer 2 intensity levels, 4 modes, and 2 directions. Attached hand-held controller lets you choose the heat and intensity. Includes power adapter (10W, 12V). Adjustable straps mean 1 size fits most. 10"H x 19"W x 4"D.