Note : In case of Wireless mouse, the USB receiver will be provided inside or along with the mouse Strong, consistent wireless connection from distances up to 10-meters (33-feet) away. Radio frequency wireless connectivity helps reduce the clutter of wires 1000 DPI optical LED for smoother movement and hassle-free performance The symmetrical shape lets left as well as right handers use mouse with ease Optical – wireless – Radio frequency – Blue – USB 2.0 – 1000 dpi – computer, notebook – scroll wheel – symmetrical.