'- Special no-click buttons, ideal for offices with several workplacesn- Perfect ergonomics for hands both small & largen- Precise sensor with 1000 dpi resolutionn- Pleasant to the touch due to abrasion-proof surface finishingn- Rubber-coated side sections for optimal gripn- Extra long USB (Universal Serial Bus) cable (1.8 m)\n\n\n\n\n\n\n\n\n\n Model: Gentix Silent\n\n Datasheet: http://objects.icecat.biz/objects/mmo_38320119_1514393868_8412_11876.pdf\n\n\n\n\n\n\n\n\n\n\n\n