cheap mp3 players 1)AAA battery,can change easily 2)cheaper cost,five colors. 3)better materials,support mp3 and wma format Product Name: cheap mp3 playersAdvantage:1.use better mother chips, support mp3 format and also "wma" format2.builted in screen, can be a recorder, FM radio, ebook3.USB connection, connect to computor directly, no need usb cables any more4.3 times QC process, we can ensure ...