... Package:2000PCS/box,1000PC/bag,40PCS/tube 1,type: mouse IC 2,Brand:LZ3,Part no.:MX8732A4,Pins:8PINS5,Package ... be use PCB with 3512 3504MX8732A is used in the wired mouse u+p case.it is circuit for photoelectricity +mian ... components, convenient; it is the best case for USB wired mouse in the market. all can be used by home maker ... you required.Pls contact us for further information. Mouse IC LZ MX8732A