Patent ID: 8351641

Claim:
A portable sound box comprising: a main body comprising an upper casing, a bottom plate, a printed circuit board, a speaker, an inverter tube, and a cover; the upper casing and the bottom plate cooperatively defining a resonant chamber therebetween; the upper casing defining a first through hole and a second through hole; the printed circuit board, the speaker, and the inverter tube being received in the resonant chamber; the printed circuit board being disposed on the bottom plate; the speaker and the inverter tube being disposed on the printed circuit board; the speaker sealing the first through hole; the inverter tube sealing the second through hole; the bottom plate defining a groove in a surface thereof opposite to the upper casing for receiving a battery, the cover covering the surface; the bottom plate comprising an electrical contact disposed in the groove and configured for connecting the battery to the printed circuit board; and a clip disposed on the cover for gripping an external object to secure the portable sound box to the external object.