USBhandheldreaderisthemobilemini-readers,whichuses2.45GHZI***bandandtheinterfaceUSB2.0，usingadvancedultra-lowcurrentconcumption0.18umCMOScircuits,high-density,low-cost,***allsizeofthedesign,portable,plug-and-play.USBhandheldreaderhasthefunctionthatcansearchthetargettag.Thetargettagwillshowaredglitteringlightsignalassoonasreceivedthesearchingorderfromthehandsetterminal，userscansearchthetargetassetsthroughopticalsignalfromitemtag.)