A 10 W speaker with a 3.5 v rechargeable Li-ion battery that produces omni-directional sound when placed on any surface that will allow sound to resonate through it (glass, wood, plasterboard, etc). The speaker will work with any device that has a standard 3.5 mm audio jack such as mp3 players,smartphones, tablets, laptops, TV, etc. It can also connect directly to any device via Bluetooth.