The Mouse Essential USB (00PH133), code name "Calliope", is a reliable and no-frillary device, ideal for everyday use in the office and at home. With a simple and functional design, it focuses on the essential: offering a precise and comfortable cursor control without any complication. Thanks to its wired USB connectivity, it ensures constant stability and immediate response, eliminating the need for batteries. The 1600 DPI resolution optical sensor ensures accurate tracking on different surfaces, while the ambidextrous design makes it comfortable for right and left-handed users. Technical Specifications Model: 00PH133 Essential Mouse (Calliope) Type: Wired Optical Mouse Connection: 1.8 meter USB Cable Sensor: Optical Resolution (DPI): 1600 DPI Buttons: 3 buttons (left, right and scroll wheel) Design: Ambidestro Weight: 90 g Compatibility: Windows 7, 8, 10 Plug & Play: Yes, it does not require additional drivers The 00PH133 Essential mouse is the ideal choice for those looking for a basic device, but of quality, which combines simplicity, reliability and comfort.