Designed for young students, the primary color and child-sized fit of the Jackbox will engage children and help them focus on the task at hand. The Jackbox has four skid-resistant rubber pads to keep it from moving and can accommodate up to four students with stereo headphones. 3.5 mm silver-plated jack inputs with individual volume controls create solid connections. Includes 3.5 mm stereo plug with 6-foot detachable patch cord. Jackbox is built with ABS plastic for durability and safety. Jackbox measures 1.5 in H x 3.25 in L x 3.25 in D. Comes in Blue.