BestDealUSA IR Infrared Plastic Electronic Music Air Guitar Educational Toy Gift For Kids Infrared Ray Transmitter Seven guitar keys: "C, D, E, F, G, A, & B" IN / OUT Media Ports: "IN" for connecting audio player as loudspeaker; "OUT" for connecting output to amplifier or television (Note: Connecting line is NOT included) Built-in Speaker Pre-loaded 10 songs: "Are you gonna be my girl", "Walk this way", "Smoke on the water", "Let it Be", etc