Supersonic Portable Audio System MP3/CD Player with USB/AUX Inputs & AM/FM Radio Dynamic High Performance Speakers  Top Loading CD Player  Plays MP3/CD, CD-R, CD-RW  Built-in USB Input  Auxiliary Input Jack for Use with External Audio Devices  Built-in AM/FM Radio  Analog Tuning Radio  LCD Display  Telescopic Antenna  Rotary Volume/Tuning Control  Repeat One/All Functions  Bass Boost System  AC/DC Operation  Frequency Range: AM: 540-1600KHz FM: 88-108MHz  Frequency Response: 100Hz-16KHz  Power Output: 1.2W x 2  Power Source: AC: 110V/220V, DC: UM2 1.5V x 6