... 2.0, 3. Plug && play SpecificationsUSB Flash Drive MemoryChristmas tree usb Material silicon, Full memory, good quality Available capacity Common size ... printing, laser engraving and so on.Additional service Pre-load data, boot autorun, password protection, space partitionBattery No need battery ... -4°F185°F (-2085)Fast data transfer rate (Read: 22MB/sec & Write: 3.5 MB/sec) USB 1.1 / 2.0 compatible ...