Portable and fashionable design An ingenious ultra compact speaker that uses vibration technology to turn any hard flat surface such as floor, table, wall, window, desk, wooden, metal and plastic Strong bass and 360 omni-directional sound, everyone around that hard flat surface will be getting same acoustic experience Built-in rechargeable lithium battery, usb powered, more powerful clean sound and better bass, amazing sound in tiny size Supports mp3/mp4 players, apple's ipod, iphone, pc and laptop Power supply: 5 to 6v dc Maximum power consumption: 3w Frequency response: 100hz to 20khz Dimensions: (l) 81 x (w) 80 x (h) 35mm Weight: 360g Includes host x 1, usb special cable x 1 and pure metal crust x 1 Packing: each in color gift box. Color gift box