1.Material: ABS 2.Length: 21cm 3.Free play with cords, flat and sharp buttons 4.OEM accept Specification:-Switch on,playing by twanging infrared ray which comes out when press any key from A-G;-10 different songs -sharped or flated,7 chord,minor key option at side-with headset/stereo output-red,blue,black 3 colors-Battery: 2*AAA battery (not inlcude)-infrared induction distance: 40cm for new ...