Apple ipod

I have a question about the iPod Nano 4th generation 16 GB?

Does it work with a Microsoft or that work with Mac? You can also download songs from sites like lime wire and play with the iPod? and not only while your iPod nano in general, and you know of any cheap Apple iPod Nano 16GB YELLOW MB915LL / A MP3, Thank 4th generation

All iPods are Mac and PC since 2003, you can download music on Limewire, but you have to add iTunes to sync to your iPod nano

Apple iPod nano 16GB – Unboxing and Video Sample