1.USB Computer Cleaner with Plug-and-play Function. 2. Deeply and roundly cleaning of the panels of keyboard, mouse, and phone .Adjuster for absorb ability. Environment: granule shaped dust, hair, and wastepaper pieces. Plug-and-play and easy using Compatible with all kinds of computers and relevant devices . Product dimensions: 16 x 4.5 x 4.0cm. Carton dimensions: 70 x 29.5 x 46.5cm .Net weight: ...