Logitech Z-5 USB Stereo Speakers for Mac and PC Omnidirectional acoustic technology provides great sound at a consistent level, no matter where you are in the room USB connectivity delivers pure digital audio thats easily moved with your laptop from room to room, without the need for external power adapter or batteries Includes a sleek remote control that works with a Mac or PC to let you wirelessly navigate and enjoy your entertainment options Mac and PC compatibility allows you to use these speakers with any computer