Wireless Optical Gaming Mouse - 2.4Ghz 1600dpi- Black (Retail Box) W400.The w-400 is your advanced wireless mouse with 2.4 GHz technology and an ergonomic design. Your Nano USB receiver is so small that it can safely stay inserted in the laptop even when it's being transported - thus, your mouse is always ready to use. works with a precise infrared sensor and, therefore, saves a lot of energy. In combination with the on/off button, it guarantees an extraordinarily long battery life.Mac or Microsoft plug and play no problem, side buttons , and variable dpi button.
