Features: Aaa x 3 pieces or uses usb port An ingenious ultra-compact speaker that uses vibration technology (patent synchronize 3d effect sound technology) to turn any hard flat surface such as floor, table, wall, window, desk, wood, metal and plastic into audio speaker Strong bass and 360¡ã omnidirectional 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 and amazing sound in tiny size Portable fashionable design Supports mp3/mp4 players, apple's ipod/iphone, pc and laptop Parameters: Power supply: 5 to 6v dc Power consumption: 2.5w (maximum) Frequency response: 100hz to 20khz Dimensions: (l)92x(w)46x(h)84mm Weight: 135g Accessories: 1 piece host, usb special cable, product specification and pure metal crust Packing: each in color gift box. Color gift box
