... 9g+/-0.5gStandard colorwhite, other color available (MOQ 10K)MaterialsHard shell:ABS,Cover foil:PVC(matt surface)Packaging200pcs per box, 2000pcs ... jet, laser engravingA customizes logo can be printed on the hard shell sideIC available at 125KHz nominalTK4100, EM4100, EM4102, EM4450,NXP Hiatg1 ...