Technological Parameter:Mili/normal USB2.0,easy installed,hot plug & play,extra drivers are not necessary for Win2000,WinXP,protect the circuit in an intelligent design,transfer speed: up to 480MB/s. Technological Feature:particular colour,low plumbum,super shockproof. Range of Application:support 120GB 2.5'HDD,senior professional user , desktop,laptop. Material:aluminum alloy+ABS plastic board Technical Scheme:M110; Power Supply:powered by USB bus directly / spare eletricity socket Dimension: 133*78*16mm Colour:blue,black,silver,red (OEM:option) Packing Dimension:220.5*151.8*45.3mm Accessories:USB MILI DOUBLE A USB2.0cable,USB DC cable,Disc(manual inside),screwdriver,one year guarantee for motherboard,spare screws.