GoFreetech Wireless 1600DPI Mouse – BlackThis GoFreeTech Wireless mouse provides you with a 1600DPI sensor, which means smooth sailing throughout programmes and working documents. Easily work on any surface with the help of IR light tracing technology. Simply plug in the Nano receiver and you are ready to go. FEATURES 1600 DPI Sensor 3 Switchable DPI 1000 1200 1600 settings IR Light Tracing Technology works on any surface Energy Saving Design Low Power Indicator Plug and Play Nano Receiver