TeckNet Tru-Wave technology provides precise, smart cursor control over many surface types. TeckNet Co-Link technology - after pairing there's no need to re-establish pairing after a signal loss or shutdown 2.4GHz Wireless - A more secure and precise experience than the traditional FM radio system with an increased working distance of up to 15m. Select your preferred cursor speed: 800/1200/1600/2000/2400; Plug & play - no need to install a driver. Tiny USB Nano style receiver plugs into your PC and can stay there.