Low profile gl tactile key switches: actuation distance: 1.5 mm actuation force: 50 g total travel distance: 2.7 mm battery life: 40 hours (100% brightness) onboard memory: 2 lighting profiles 3 macro profiles other features: lightspeed wireless bluetooth lightsync rgb, per key lighting dedicated media control and edgeless volume wheel requirements lightspeed wireless: usb port and windows7 or later, macos x 10.11 or later bluetooth: bluetooth enabled device with windows 8 or later, macos x 10.11 or later, chrome ostm, or androidtm 4.3 or later, ios 10 or later (optional) internet access and windows 7 or later (64-bit) or macos x 10.11 or later for logitech g hub software3advanced features require logitech g hub gaming software, available for /ghub