Logitech G305 - Mouse - optical - 6 buttons - wireless - LIGHTSPEED - USB wireless receiver - black. Play advanced without wires or limits. Logitech G305 LIGHTSPEED is a wireless gaming mouse designed for high performance in your favorite PC games. G305 features the Logitech G HERO optical sensor with 200 to 12,000 DPI sensitivity for competition-level accuracy. LIGHTSPEED wireless technology gives you super-fast 1-millisecond performance that's as fast as wired. With incredible power efficiency, G305 stays powered and ready to play for up to 250 hours on a single included AA battery. Play anywhere with an ultra-portable, lightweight gaming mouse that is easy to take with you, and has built-in storage for the included USB wireless receiver. G305 is the LIGHTSPEED wireless mouse for all.