FS-P135B USB speaker offers great sound quality with powerful 3 Watt RMS. It is extremely light weight, and they can be carried during traveling quite easily.It is compatible with all 3.5mm audio device and simply plug and play. The system is complete, and comes with necessary USB cable. It is very small size but it has powerful, rich and clear sound.The speaker system is magnetically shielded to provide the greatest protection against image distortion on a computer monitorContents:Portable speaker, USB charge cable, 3.5 mm Audio cable, manualRequirements:USB Port, 3.5mm input jack