hero gaming sensor : hero sensor delivers leading performance and up to 10x the power efficiency; the g603 logitech gaming mouse delivers accuracy and responsiveness with sensitivity up to 12000 dpi.lightspeed wireless : in high-pressure moments, latency can be the difference between winning it all or walking away with nothing; e-sports professionals depend on lightspeed wireless usb technology.performance management : high mode delivers peak performance with 1 ms reporting and up to 500 hours of non-stop gaming; the g603 wireless mouse enables you to switch between high/low mode easily.multi-host : dual connectivity with lightspeed and bluetooth allows you to connect and control multiple pcs, macs or laptops; easily switch between the two with a press of a button.comfort/energy efficient : customise g603 wireless computer mouse to get just the right weight, balance and comfort using either one or two batteries; g603 pc gaming mouse delivers up to 500 continuous gaming hours.