this user- friendly hdd mp4 player is a wonderful, full functions and unique "entertainment toy" with huge storage up to 40gb, you can play mp3/wma music, in the mode of all songs cycle, single song cycle and play at random with 5 eqs of normal, pop, classic, jazz and rock. it can play mp4, store and browse photos, the pictures can be even zoomed to any size. it also features with a usb host, via which, you can directly transfer pictures or videos directly from camera or video camera, or mp4/mp3 from other media players. this enables a overall share joys! you can record music from other media with line-in voice recording function or record the natural voice with the mic. it can also act as a fm station which enables you to listen to the music at this mp4 player via car radio or other fm radio with frequency of fm88.8mhz while the earphone plug acting as a antenna. you can also play games with this mp4 player. of course, any format of file can be store in this huge storage device with 2.0 usb fast transmission.