... Indicator for Status Display5,Write Protection Switch6,High Reading And Writing Speed7,Usb 2.0:full speed, 12M/S8 ... 2, )USB interface, no drive, no drive, plug and play, hot-swappable.3, )Support USB ZIP/HDD boot.4, )Its ... 2. Can preload the file into the USB drive. And make the file non-delete;3. The advertisement file ... -play when plug the USB into the computer, U disk manufacturer 2012 hot sale style