100% new generic version of the wireless transmission of up to 8 meters of super thin touch USB mouse This mouse for updated version without the switch design, when not in use is automatically entered into without electricity, without having to switch, super power. Feel is very good also. Compact and lightweight, the USB receiver can be pluged into the back of the mouse, easy to carry Ideal laptop companion for home and office usecolor High quality, with one year warranty Decent and modern design