2.0 Portable USB computer speaker - perfect for laptop music, movies or gaming on the go, by Cyber Acoustics (CA-2988) CONVENIENT AND VERY PORTABLE: Designed to magnetically clamp together for easy toting in the included travel bag. USB POWERED WITH 3.5MM AUDIO: These USB powered laptop speakers use a 3.5mm audio input connection to deliver a great listening experience on the go. TWO INCH DRIVERS: Strong 2" speaker drivers deliver great sound in a compact form. COMPATIBILITY: Works with laptops, MacBooks, PC computers and other devices with USB and a 3.5mm audio/headphone jack.