JBL Pebbles Overview The JBL Pebbles Speaker in silver and white lets you enjoy stereo sound for your computer without taking up a lot of room. The compact system is Plug-and-Play USB, so it's easy to connect. It also features smart cable management to keep cords out of your way. Control volume using the rotating volume control. Proprietary technology ensures premium sound for all your audio selections. Plus, you can connect additional devices using the aux-in port. 2.0-channel audio system Plug-and-Play USB connection to your computer Compact design with smart cable management to keep your space free of clutter Integrated rotating volume control syncs with that of your computer Proprietary technology for natural sound with great clarity and deep bass Aux-in port lets you connect a smartphone, tablet or MP3 player