handle;adopt USB interface,is convenient to use;.FM combination,perfect function; Production DescriptionItem NameFolding keyboardItem NoKMS -C001MOQ300pcsSize35.5x13x1.2cm(Open)/ 13x9x2.2cm(Flod)MaterialABSColor Box size190x135x51mmCarton size380*255*400mmCarton G.W21.4KGCarton N.W19.6KGQty of carton40pcsLead time20-30daysPayment wayT/T 40% In advanceFunction1. Compatible with PC, Notebook , ...