CHERRY GENTIX SILENT The ideal mouse for quiet work environments due to special no-click buttons, perfect ergonomics and a precise sensor. Special no-click buttons, ideal for offices with several workplaces Perfect ergonomics for hands both small and large Precise sensor with 1000 dpi resolution Pleasant to the touch due to abrasion-proof surface finishing Rubber-coated side sections for optimal grip Extra long USB cable (1.8 m) Mouse:-Scanning: Optical-Resolution: 1000 dpi-Number of Keys: 3-Mouse wheel design: Scroll wheel with key function-Design: Symmetrical-Connection: USB-Housing colour: black-Key colour: black Reliability:-Standard keys: >3 mill. operations Packaging dimensions: approx. 138 x 97 x 48 mm Dimensions (product): approx. 112 x 68 x 35 mm Delivery volume:-CHERRY GENTIX SILENT-Operating instructions in hard copy System requirements: USB connection Interface: USB Operating temperature: 0°C to 40°C Storage temperatur