This speaker is made of ABS material with rubber oil on the surface. It has sweet female voice, magnetic male voice, pleasing original sound, mechanical magic sound and monster magic sound,you can choose whatever you want,one key switch,making things more fun. It uses a 2.5-inch 45 magnetic loudspeaker, giving the sound a powerful surround sound. Large-capacity lithium battery(1200MAH) makes the standby time longer.