Digital Innovations AcoustiX Portable Multimedia Speakers offers best in class sound quality, bar none. Featuring impressive volume, richness and clarity, they easily outperform any speaker in their price range. Works great with MP3 players, music enabled smart phones, tablets, netbooks or any device with a 3.5mm audio output. Speakers attach magnetically to create a sleek, portable shell. Toss it in the included travel pouch and go! 4.8 watts of stereo sound provides crisp, clear treble and warm bass. Included battery pack provides power when a USB port is unavailable. Rubberized, textured, soft-touch finish enhances feel and durability. Lifetime limited warranty. Includes Digital Innovations AcoustiX Portable Multimedia Speakers, cable bundle, battery pack and a Quick Start Guide.