Logitech - G305 Wireless Gaming Mouse - Blueper-fast response time of 1 ms.It manages a full 250 hours of game on a single AA battery and has an indicator light that lights up before the battery runs out completely. Thanks to an efficient mechanical design, the G305 weighs only 99 g whichgives great maneuverability. The solid, compact shape and built-in space for the nano receiver make the G305 a convenient travel companion ready for gaming with 6 programmable buttons.All in all, this wireless LIGHTSPEED mouse is ready for everything, right away and without a fortune.G305 LIGHTSPEED gaming mouseWireless LIGHTSPEED gaming for everyone- 12,000 DPI HERO sensor- 1 ms wireless LIGHTSPEED- 250 hours of battery life- Ultra light with only 99 g- 6 programmable buttons