Logitech G815 RGB GL Tactile Switch Gaming Keyboard is a new class of mechanical gaming keyboard available in 3 different low-profile GL switch options. It features LIGHTSYNC RGB, dedicated USB passthrough, and 5 customized able G-keys. Fully customizable per-key, LIGHTSYNC RGB technology can also reacts to in-game action, audio, and screen color as you choose. Programmable G-keys let you create and execute complex actions simply and intuitively and the volume wheel and media keys give you fast, easy control over video, audio, and streaming. With a sleek, impossibly thin yet durable, and sturdy design, Logitech G815 GL Tactile Switch Gaming Keyboard brings gamers to a higher dimension of play. MORE DETAILS: Physical Specifications: Weight (w/o cable): 36.9 oz (1045 g) Weight (w/cable): 40.4 oz (1145 g) Technical Specifications: Low Profile GL Switches: Actuation distance: 0.059 in (1.5 mm) Actuation force: 1.58 oz (45 g) Total travel distance: 0.118 in (3.0 mm) Onboard Memory: 2 Lighting Profiles 3 G-keys Macro Profiles Requirements Windows 7 or later macOS 10.11 or later 2x USB ports (1x keyboard, 1x USB passthrough port) (Optional) Internet access for Logitech G HUB software Warranty: 2-Year limited hardware warranty What's Included: G815 LIGHTSYNC RGB mechanical keyboard User documentation