The G309 LIGHTSPEED is designed for optimized gaming performance. This lightweight gaming mouse features advanced wireless technology and innovation, allowing gamers to fully unleash their potential while playing. Switch between the robust yet low-latency LIGHTSPEED wireless and Bluetooth connectivity for complete wireless flexibility with this gaming mouse. The Logitech G309 LIGHTSPEED is a lightweight gaming mouse that weighs only 86 g with the included AA battery or 68 g (battery-free) with the wireless POWERPLAY charging system. The HERO 25K sensor of this wireless gaming mouse provides precise tracking in the sub-micron range without smoothing for accurate wireless gaming. Enjoy over 300 hours with the AA battery or unlimited battery life with POWERPLAY, so you can focus on the game, not on battery life. The optical-mechanical LIGHTFORCE switches offer optical speed, a mechanical feel, and optimized gaming performance. Up to 6 programmable buttons for customized gameplay and personalized key combinations. The package includes the G309 LIGHTSPEED mouse, LIGHTSPEED receiver, receiver extension cable, AA battery, grip tape, and user manual.