... prices Product Description: * ultra-thin MP3 *USB 2.0 transference as USB disk function*Built-in polymer ... Lithium battery; 2-3 hours*Supports MP3, WMA *with USB Jack ... Special function: 1 High speed USB 2.0 port ,2. USB key function. 3 Model color: Pink, Blue, ... of logos appearance,design of logos size and position on product,design of gift boxs draft; Hot ...