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The BitHead is a portable music amplifier and an external sound card that can provide high-quality audio on your PC. Although it's large for pocket use (1 inch high and 2.9 inches wide, and it weighs 6 ounces), the BitHead is perfect for use on a laptop. Battery life (it uses four triple-A batteries) approaches 30 hours.
Matthew D. Sarrel, CISSP, is executive director of Sarrel Group, a technical marketing consultancy. He is also a technical marketing consultant and technical writer. To read his opinions on games please browse http://games.mattsarrel.com and for more general information on Matt, please see http://www.mattsarrel.com.