AKI-E010 Fashionable and novel design,unique appearance Patent product Built-in 1500MAH lithium battery Support HI-FI music for 8 to 10 hours Suitable for traveling Latest digital driver technology and fance speaker which can let you experience the excellent music LCD display nanometer surface, magnificent enough Plug in SD, MMC card ,U port ,MP3 ,or movable hard disk directly Support files downloading and reading Various colors to choose Audia input/output