Metal Credit Card USB 3.0 Flash DrivesSpecificationDimension85x54x2mmWeight18gMaterialAluminum AlloyMemory Size8GB, 16GB,32GB,64GB,128GBInterfaceUSB 3.0Chip TypeWaterproof UDP /UFD branded flash memoryChip BrandSamsung / ToshibaWriting speed10-20MB/sReading speed80-110MB/sLogoColor printing or Silk printing , Laser printingPackagePolybag, Card Transparent plastic box , metal tin box , black gift box , PU leather case etcFunctions●Fashion Design, Metal material with card style.●Full logo printing, it is the best Advertisement gifts, Promotion gifts, Exhibition Gifts, Conference Gifts, VIP customer gifts etc.●File preloaded: Photos, Music, Videos, Audio files, PDF and other files.It can make undeletable files.●Auto running, Encryption, Locked / Hidden contents, Volume Label are available.●Interface USB 3.0. High speed of Writing and Reading.Advantages1. All USB are full capacity and will be passed H2 Test before shipping2. All USB will be strictly checked by QC over 3 times.3. High Quality with Competitive / affordable Price4. Various of cards are available: metal/ plastic, circle /square /mini etc.