... plug out; Laser engraving and silkscreen logo; Special chip,easy assembly,fast shipping. Product descriptions:*Hardware Requirements: UIBM compatible ... required, no external power supply required, Plug-in and play, over ten years data retention.*Interface: USB 2.0 ... chip optional;*Standards Certificate: CE,FCC&Rohs;*Small,compact,easy carry and suitable for storage exchange.Available colors:Sliver( ...