... MP4,charge up cellphone,digital camera,DV vidicon,plam computer,CD/DVD,emergency lighting,electric fan,electric blanket,hand,held computer, minitelevsion ... 47mmUSB Out 0.5VWeight of the product :0.36KGAmount in box :50PCSPacking case size:500*270*490mm Protection function:shortcircuit/ ... can be uesd by the product it is suitable for DVD,notebook PC,printer,fax machine electronic game machine,video ...