The G613 Keyboard was built with complete end-to-end technology optimization from sensor to firmware, circuitry to antenna. Each component is refined, focusing on the slowest link until nothing was slow. The Lightspeed technology provides a pro-grade wireless solution that achieves wired-like performance solving problems of latency, stability, and connectivity. Romer-G Tactile Switches 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 1.5mm, which means 25% faster keystrokes than standard mechanical switches in the same line. 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 superfast 1ms 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 two AA batteries, G613 Keyboard can be used for up to 18 months, depending on your usage and computing conditions. When battery is at 15%, both the LED status indicator light on the keyboard and Logitech Gaming Software notifications will warn you before the critical moment hits. Build a Wireless Gaming Desktop Pair the G613 Wireless Mechanical Keyboard with G603 Wireless Gaming Mouse to acquire a complete wireless desktop solution.