Using next generation HERO sensor for accuracy and 10x the battery efficiency, G603 wireless gaming mouse delivers unrivalled performance and wireless reliability with LIGHTSPEED technology Feature Benefits HERO Sensor Next-generation HERO sensor delivers class-leading performance and up to 10x the power efficiency*. HERO optical sensor delivers exceptional accuracy and responsiveness with sensitivity up to 12,000 DPI. LIGHTSPEED Wireless In high-pressure moments, latency can be the difference between winning it all or walking away with nothing. With millions on the line, esports professionals around the world depend on LIGHTSPEED wireless technology. Featuring a 1 ms report rate and our end-to-end optimized wireless connection, G603 delivers incredible responsiveness and reliability for competition-level twitch targeting. Performance Management Hi mode delivers peak performance with 1 ms reporting and up to 500 hours of non-stop gaming performance. When not gaming, easily switch to Lo mode to extend battery life. Lo mode / BT mode reports at 8 ms and can extend battery life to up to 18 months with 2 AA batteries. Quickly switch between Hi/Lo with a flick of a switch. Multi-host Dual connectivity with LIGHTSPEED and Bluetooth allows you to connect and control multiple devices. Easily switch between the two with a press of a button Comfort/Energy Efficient Customize G603 to get just the right weight, balance and comfort using either 1 or 2 batteries. With two AA Alkaline batteries, G603 delivers up to 500 continuous gaming hours - twice as long as previous generation.