On the Go? Then this portable iPod alarm clock speaker system is for you. Sleep or wake to your favorite iPod tunes or buzzer. This unit has a lock feature to maintain settings and includes a protective carrying case and even charges your iPod. Perfect for the busy traveler.SRS WOW® expands the size of the audio image to create a deep,rich bass responseWake and sleep to your music by docking your iPod in our portable alarm clock4 Reson8® speakers (2 passive and 2 active) for superior stereo soundBuilt-in dock lets you charge the iPod with AC adaptor (included)Protective carrying caseAux/MP3 line-in jack with patch cord5 Watts total output