Logitech Wireless Gaming Mouse G903 LIGHTSPEED with HERO 16K sensor - Mouse - right and left-handed - optical - 11 buttons - wireless, wired - USB, LIGHTSPEED - Logitech LIGHTSPEED receiver. With HERO 16K, LIGHTSPEED wireless gaming reaches its next evolution. The advanced HERO 16K sensor delivers unparalleled performance and class-leading efficiency. The addition of the advanced HERO 16K Sensor delivers unparalleled precision and performance with 1:1 tracking and 16,000 max DPI - plus zero smoothing, filtering, or acceleration. HERO 16K also offers 10x the power efficiency of the previous generation sensor, delivering improved battery life and reduced weight.