... Business & schoolLaptop projector can directly connected with your computer / laptop, you can show your hard working project with this easy ... wall. 4.Directly Multipule connections Directly connected with your computer , laptop, Video gamers (Wii, PS2/3 PSP,XBox...), DVD Player, ... RMVBAudio: MP3, WMA, FLAC, APE, AACBuild-In Speaker: Stereo (1W)Battery: 2500mah, 3.7VDimensions : 72x72x72 mmWeight: 400g