Product Description:> 6 Colors: Black/ Pink/ Blue/Purple/ white/Green,we"ll random send the color if you didn"t" give me message of you like color> 100% Brand new> Support Micro SD/TF Card expand > MP3/WMA/WMV format song For MP3 Player> Plug and play,Support MP3/WMA format> Directly upload or download the MP3 files into Micro SD / TF Card> Support USB 2.0> Built-in rechargeable battery and connect to PC for charging> Connect to computer"s USB port for file transfer> U disk functions without driver installation> Supported by Microsoft Windows Vista,Windows 98/SE/ME/2000/XP,Linux> Size:44mm*30mm*10mm> This mp3 player is no buit-in memory,it needs work with Micro SD/TF cards,and it support 1GB 2GB 4GB 8GBPackage include: > 1x MP3 Player> 1x USB cable > 1x plastic box