- Browser buttons provide quick access to the forward/back functions in the Web browser for easy navigation ,- Separate on/off switch allows for energy-saving use of the mouse ,- Storable USB receiver can be transported inside the mouse to save space - Connection: USB-A Plug ,- Connection: Wireless ,- Model: Standard Mouse ,- Number of Mouse Buttons: 3 Buttons incl. Scroll Wheel ,- Scroll Function: Scroll Wheel ,- Sensors: Optical ,- Width x Depth x Height: 7,4 x 10,9 x 3,9 cm ,- Resolution: 1200/1600/800 dpi ,- Colour: Black 2 years legal warranty only