HERO is a revolutionary new optical sensor designed by Logitech G to deliver class-leading performance and up to 10 times the power efficiency1. With HERO sensor, G603 also delivers exceptionally accurate and consistent performance across the entire DPI range, with zero smoothing, filtering or pixel rounding from 200 to 12,000 DPI.LIGHTSPEED WIRELESS Advanced Wireless PerformanceLIGHTSPEED™ wireless technology features a super fast 1 ms report rate with our end-to-end optimized wireless solution. G603 delivers incredible responsiveness and reliability for competition-level performance.ADVANCED POWER MANAGEMENT Balance Performance and Battery LifeQuickly switch between HI and LO modes with the flick of a switch. In HI mode, G603 delivers peak performance with LIGHTSPEED 1 ms reporting and up to 500 hours of non-stop gaming. When not gaming, simply switch to LO mode and extend battery life. LO mode reports at 8 ms for up to 18 months of use with 2 AA batteries.ONNECT TO MULTIPLE DEVICES Connect with LIGHTSPEED or BluetoothDual connectivity with LIGHTSPEED™ and Bluetooth® allows you to connect to and control multiple devices. Easily toggle between the two connected devices with a press of a button.AMAZING BATTERY LIFE 2x Compared to Previous GenerationG603 wireless gaming mouse delivers up to 500 hours on 2 AA batteries—twice as long as our previous generation. Even with a single battery the G603 can last through up to 500 matches of League of Legends®. When battery is at 15%, both LED status indicator and Logitech Gaming Software will notify you before the critical moment.SIX PROGRAMMABLE BUTTONS Personalized ControlThe G603 wireless gaming mouse can be fully configured to match your preferences. G603 comes with 6 programmable buttons including on-the-fly DPI shifting through up to 5 sensitivity settings. In LGS, configure macros, sequences of clicks and keystrokes to simplify in-game actions and quickly execute complex tasks.ONBOARD MEMORY Save your settingsWith onboard memory, you can take your settings with you wherever you go. Using LGS, store your settings in G603 and play on other PCs without needing to install additional software. No login required.