Functional Description ** high-quality stereo sound! ，，Roly-poly cartoon characters** Comes with high quality stereo power amplifier, ** with volume control, can be controlled by buttons on a whim the next track playing. ** 2G large storage space, (standard) can be deposited hundreds of songs and stories, (most can be ordered memory for the 8GB) unlimited updates.** Support for MP3, WMA and other file playback, with high quality speakers and professional audio chamber design, create the perfect sound, never tired. ** Built-in lithium battery, can use the built-alone high-capacity lithium battery, can charge at any time, carry more convenient. On a single charge, the maximum volume of continuous playback 6 hours, and no power to meet the case of outdoor use. . . ** Can be directly used as PC / laptop speakers, play computer audio files; for audio amplifier use.The machine features a machine of audio formats: MP3, WMA, WAV, AAC, FLAC and so on. 2 support the shutdown and memory. 3 support linein function. 4 supports FAT12, FAT16, FAT32 file system. 5 supports Win 2000/Win XP operating system. 6 supports 3 player directory.