U-CARD KEY 1.Mini Contactless Card + USB Flash Memory! 2.Water-proof & solid housing 3.Convenient, fashion, multi-function Main FeatureWater-proof & solid housingConvenient, fashion, multi-functionAvailable in 4 shapes & perfect housingsFlexible Choice of USB memory: 2/4/8G, etcOutstanding R/W distance and performanceSupport chips of LF, HF ISO14443A,B & ISO15693Perfect printing: Ceramic result, ...