... 1) Capacity128MB, 256MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB2) USB InterfaceUSB2.0 (also compatible with USB1.1 and 1.0 ... engraving, hot stamping2. Preloading the file into USB drive, making the file non-delete3. Making auto-run file into USB drive.4. Making jump-out ... website when you plug USB into computer Payment ...