Because I have 500 volt 110v-220v convertor(save $280), and i may try the new thing which cannot try in HK version like 在香港透過日本版PS3使用EDY 來繳付各類 JP PS Store 費用........
one more thing, my PSP is also 水貨, I don't know whether it can use 水貨PSP to remote control 行貨PS3...
so stupid for me.:!