Wireless Mechanical G613 is a next generation wireless keyboard designed for gamers who demand both the high performance capabilities of mechanical switches and the freedom of wireless gaming. LIGHTSPEED Wireless Romer-G Tactile Faster Quieter Switches 18 Month Battery Life LIGHTSPEED Wireless Through end-to-end engineering and design, Logitech G developed a robust wireless solution to solve the fundamental problems of latency, stability, and connectivity. The end result is LIGHTSPEED, a pro-grade wireless solution, that achieves wired-like performance. Romer-G Tactile Romer-G Tactile switches deliver quiet, precise mechanical performance with incredible feel and durability with 70M click-life. The choice of top esports professionals, Romer-G Tactile switches have a short-throw actuation at 1.5 mm which means 25% faster 11.5 mm vs 2.0 mm actuation distance on standard mechanical switches. keystrokes than the competition’s standard mechanical switches. Romer-G is a perfect blend of speed, precision and quiet performance while still maintaining a discernible, tactile actuation feel. Programmable G-Keys Six dedicated G-keys can be programmed with custom macros and in-app commands. Execute complex actions, simply and quickly, with a keystroke. G-keys can be assigned per game or app profile for customizability and convenience. Use Logitech G HUB to easily setup and manage profiles, commands and more. Connect to Multiple Devices Connect to LIGHTSPEED wireless for super fast 1 ms report rate or swap to another device with the push of a button using Bluetooth® connectivity. Toggle between high-performance LIGHTSPEED wireless via USB receiver and Bluetooth— quickly and easily. 18 Month Battery Life Using only 2 AA batteries, G613 can be used for up to 18 months2Battery life may vary based on your usage and computing conditions.. When battery is at 15%, both the LED status indicator light on the keyboard and Logitech G HUB notifications will warn you before the critical moment hits. IN THE BOX G613 wireless mechanical keyboard LIGHTSPEED USB receiver Phone stand Extender USB cable 2 AA Batteries User documentation Physical Specs Height: 478 mm Width: 216 mm Depth: 33 mm Weight: (1410 g) keyboard only Weight with 2 AA batteries: 1460 g Romer-G Tactile Key Switches Durability: 70 million keypresses Actuation distance: 1.5 mm Actuation force: 45 g Total travel distance: 3.2 mm Battery life 18 months (may vary based on user and computing conditions) Requirements LIGHTSPEED: USB port and Windows® 7 or later, Mac OS® X 10.10 or later, Chrome OS™, or Android™ 3.2 or later Bluetooth®: Bluetooth enabled device with Windows® 8 or later, Mac OS® X 10.12 or later, Chrome OS™, or Android™ 3.2 or later, iOS 10 or later