Plastic Shortened Chipset Credit Card USB Flash DrivesFeatures:Size: 85x52x2.5mmWeight: 13gStyle: Short chipset credit card USBInterface: USB 2.0, plug and playWriting speed: 4-8MB/s. Reading speed: 10-20MB/sData Retention: data keep for at least 10yearsEndurance: 1000000 times rewritableOperating System: Windows 98 \ ME \ 2000 \ XP, the Linux 2.4.x win7, win8, win10, Mac OS and abovePower supply: USB bus-powered (4.5V ~ 5.5V)Operating Current: <50mAOperating temperature: 0C ~ 60CStorage temperature: -20C ~ 85COur Advantages1. Free to design artwork before orderLogo printing: Silk printing / Full color printing /UV printingPlease offer Vector Diagram like as PSD, AI, PDF files to us. If you have not, High Resolution JPS, PNG, JIFF etc are ok.2. File loading , Non-Erasable, Auto running, Encryption, Custom Icon Creation, Locked / Hidden contents are available3. Free sample can be accepted , the customer just need pay the shipping cost4. Fastest production time with shipping way.Sample: 1-2 business days. Mass production time: 3-10 business days depends on your order quantityTipsFlash memory vendors are using decimal arithmetic: 1MB = 1000KB, 1G = 1000MB calculated, but the operating system is using binary arithmetic: 1MB = 1024KB, 1GB = 1024MB. so there are some differences between display capacity and nominal capacity of flash memory products. However, this is allowed to exist.About capacity:128MB=approximately 120MB-125MB4GB=approximately 3.5GB-3.8GB8GB=approximately 7.2GB-7.5GB16GB=approximately 14.0GB-15.0GB32GB=approximately 29.0GB-31.0GB64GB=approximately 58.0GB-60.0GB