256MB miniature USB boom box radio with 20 pre-recorded songs featuring artists such as Twin Sisters and Hot Buttered Rum * USB computer connection cable and software included * Large, kid friendly buttons, are easy for kids to use * Minimum system requirements: Microsoft Windows 200/XP/Vista Pentium Processor (166MHz or higher) Mac OS X (up to 10.5) USB 1.1 or 2.0 port * Requires 4 AA batteries