Product Name: metal Credit Card USB Flash Drive 32g Pendrive 64G USB Stick 16g 8g Flash Drive Memory Stick Bank Card Pen Drive Model NO.: TF-2001 Security Check: Support Security Check Function: Storage USB Disk Color: White USB Type: Creative USB Disk Open Style: Opening Material: Plastic Shape: Card Interface Type: USB 2.0 & USB 1.1 Storage Capacity: 128MB-64GB Capacity: 1GB-128GB Trademark: OEM, ODM Transport Package: Poly Bag, PP Box, Paper Box, Blister, Tin Box Specification: CE, FCC, Rohs, SGS Origin: China HS Code: 8523511000 Product Description After your order , pls send your logo in pdf or ai or png or jpeg format to our Email , and remark the front and backabout capacity:What is the real capacity?Flash memory vendors are using decimalarithmetic:1MB= 1000KB,1G = 1000MBcalculated, the operatingsystem using binary arithmetic:1MB = 1024KB,1GB = 1024MB;so there are some differences between display capacity and nominal capacity of flash memory product.4GB=approximately 3.5GB-3.7GB8GB=approximately 7.4GB-7.8GB16GB=approximately 14GB-15GB32GB=approximately 28GB-30GB64GB=approximately 58GB-59GBFeatures:Supports hot plug & play, High speed USB 2.0 portNo physical drive requiredPlug-and-play; no external power supply required, USB bus-poweredSupport all current computer systemsspeeds vary depending on types of file being transferred and computer configuration.Read Rate: 15-25 Mb/S Write Rate:4-15 Mb/SInterface USB 2.0Excellent USB Memory stick in excellent condition