Mechanical Gaming Keyboard: The Logitech G515 LIGHTSPEED TKL offers a slim profile and tenkeyless design with tri-mode connectivity via LIGHTSPEED wireless, Bluetooth, or wired data transfer GL Brown Tactile Switches with Discernible Feedback: The low-profile GL mechanical switches on this compact gaming keyboard are factory-lubed for a smoother feel, fast actuation, and precise typing 36 Hours of Play: Keep playing wirelessly with up to 36 hours of continuous battery life; battery life varies with use conditions Next-Level Customization: With KEYCONTROL, players can program up to 15 functions per key to customize their gaming experience and create a personalized control center PBT Keycaps: Double-shot PBT keycaps offer durability for the most intense moments of play and look as good as they perform with anti-oil design and premium feel Control at Your Fingertips: Three hotkeys allow for quick access to LIGHTSPEED wireless, Bluetooth connectivity, and Game Mode LIGHTSYNC RGB