SPECIFICATIONSBrand Name: LogitechOrigin: Mainland ChinaHign-concerned Chemical: NoneInterface: bluetoothInterface: USBCertification: CEApplicable Object: For GamePackage: YesKeyboard Connection: WireLessType: WireLess SPECIFICATIONS PHYSICAL SPECIFICATIONS: Length: 368 mm Width: 150 mm Height: 22 mm Weight (without cables): 810 grams Cable length: 1.8 meters TECHNICAL SPECIFICATIONS: Low GL T mechanical axis: Trigger keystroke: 1.5 mm Trigger strength: 50 grams Total travel distance: 2.7 mm Battery Life: 40 hours (100% brightness) Onboard memory: 2 lighting profiles 3 macro configuration files Other features: LIGHTSPEED wireless Bluetooth LIGHTSYNC RGB, independent button lighting Dedicated media control and borderless volume scroll wheel REQUIRE: LIGHTSPEED wireless: USB port, Windows 7 or higher, macOS X 10.11 or higher Bluetooth : Windows 8 or higher, macOS X 10.11 or higher, Chrome OS or Android 4.3 or higher, iOS 10 or higher, Bluetooth- enabled devices (Optional) Logitech G HUB software requires Internet access, and Windows 7 or higher (64-bit), or macOS X 10.11 or higher2Advanced features require Logitech G HUB game software, please visit logitechg.com/GHUB to download PRODUCT NUMBER: Logitech G913TKL Wireless RGB Mechanical Gaming Keyboard (GL-Tactile): 920-009505 Logitech G913TKL Wireless RGB Mechanical Gaming Keyboard (GL-Linear): 920-009522 Logitech G913TKL Wireless RGB Mechanical Gaming Keyboard (GL-Clicky): 920-009539 WARRANTY INFORMATION: 2-year limited hardware warranty PACKAGE CONTENTS G913 TKL wireless gaming keyboard LIGHTSPEED USB receiver USB extension cable Micro-USB cable User documentation