... 0 1.Chinese factory 2.plug and play,driver is not required 3.good for promotion 4.OEM service 4 ports usb ... 480Mbps),full speed(12Mbps)Connectible onto USB ports on any PC,notebook,palmtop,PDA,Ibook,cube,power Mac and notebookDelicate design ... ,exquisite appearance,especially for office staffThe super broad logo advertising area greatly convenient supplier ...