mini clip mp3 player 1.Without built-in memory 2.Support Micro SD/TF card 3.Built-in polymer Lithium battery 4.5 hou mini clip mp3 player are cheap gift mp3 with good quality Detailed description Clip MP3 Supports audio formats,such as MP3,WMA, and WAV With built-in polymer Lithium battery Accessory:Gift box,Earphone,usb cable,user manual System requirementsHardwarePC or notebook has usb ...