... FCC and ROHS passed, can supply the certificate if required12) Logo printing, embossing, hot stamping and laser engrave13) Various colors ... optional, meets personal favorites very well14) usb flash drive daily output: 20Kpcs Product Specification Capacities:64MB,128MB,256MB ... ) Yes No Linux v 2.6.x+ Yes No logo optionslogo options4 colour imprintlogo locationscustomlogo areascustom