Sliding Metal USB Flash Drives With KeychainSpecification StyleSliding Style ... 2MB,32MB,64MB,128MB,256MB,512MB,1GB,2GB,4GB,8GB, 16GB,32GB,64GBChipToshiba ,Samsung , SANDISKWriting speed3- ... Vista , Linux etcAttention●When you start to use USB, please make sure have no virus of your computer ... directly plug from computer. Otherwise can influence the USB working life●Please Back up your important files. ...