- Optical 6-button wireless mouse with high-precision Bluewave technology ,- The blue wave sensor makes use possible on almost any surface ,- DPI switch for adjusting the pointer speed ,- Whisper-quiet keys for undisturbed and relaxed working ,- Browser buttons provide quick access to the forward/back functions in the Web browser for easy navigation ,- The ergonomic shape nestles comfortably in your right hand, allowing comfortable working for right-handed users ,- Switchable sensitivity between 800, 1200 and 1600 dpi , ,System Requirements: ,- Operating system: Windows 10/8/7/Vista, MAC OS 10.10 or later - Connection: USB-A Plug ,- Connection: Cable ,- Model: Standard Mouse ,- Number of Mouse Buttons: 6 Buttons incl. Scroll Wheel ,- Scroll Function: Scroll Wheel ,- Sensors: Optical ,- Cable Length: 180 cm ,- Width x Depth x Height: 8.5 x 12 x 4.2 cm ,- Resolution: 1200/1600/800 dpi ,- Colour: Black 2 years legal warranty only