This bright Listening Center is made to fit younger children and designed for use in stereo-based computer activities. Ideal for use in ELD/ELL, Title 3, and Special Education classes with high student to computer ratios. The four Listening First Headphones (2800-BL) have over-ear, noise reducing ear cups that filter out external distractions. Headphones are lightweight and comfortably designed with an adjustable and extremely flexible headband and replaceable foam ear cushions. The 5-1/2-foot, straight cord is permanently attached on the ear cup and the 3.5mm stereo plug is set at a right angle. Offers clear audio that is critical for beginning students in phonetic awareness, comprehension, and fluency in vocabulary. The Jackbox (1114-BL) has four skid-resistant rubber pads to keep it from moving and can accommodate up to four students. 3.5 mm silver-plated jack inputs with individual volume controls create solid connections. Includes 3.5mm, stereo plug with 6-foot detachable patch cord. Jackbox measures 1.5 in H x 3.25 in L x 3.25 in D. Jack box and headphones are built with ABS plastic for durability and safety. Compatible with most popular media players. 4 headphones and 1 Jackbox come in Blue. 1 year warranty on Jackbox. 3 year warranty on Headphones. Includes:4 Headphones1 Jackbox