... 3.Accessories Optional:Lanyard,Keychain,USB cable,CD driver USB flash drive specifications Store Capacity32MB,128MB,512MB,1GB,2GB,4GB,8GB,16GBColorsRed ... (0C-60C)Storage temperature(-4F-185F)(-20C-85C)Quality Guaranteed3YearUSB flash Weight37.5GDimension140mm×17mm×15mm