How do I charge my stage touch MP4 i bought a Stage Premier 2GB MP4 Video Player Touch Screen from ebuyer not eBay?

if it's this - http://www.ebuyer.com/product/132937 - it should come with a plug charger which connects with a female usb to the male usb of the players data cable, they should also charge when connected to pc, but not sure as mine doesn't seem to