Hi, it looks like a type of Onda clone. The real deal and details can be found here:
http://www.houseofdap.com/index.php?act=viewCat&catId=7
I will say this, be very careful of buying any players off of eBay. Check out the sellers ID in Toolhause.org. A lot of players turn out to be hacked that are sold on eBay.