USB Portable Speaker with Whack Groundhog Game is a super combo gadget. It is a MP3 player, FM radio, portable speaker and Whack Groundhog Game. It has a built-in a USB port and SD card Slot which can read SD(HC)/MMC memory card and USB memory for playing MP3/WMA audio files directly. It also allows you to connect to all iPods, MP3, MP4, MD, CD player, notebook, PC, PDA, PSP, mobile phone and other digital products with 3.5mm stereo audio connector. Built in rechargeable battery - convenient to use!