Spacement of Keyboards Interconnection Included is a Logi Bolt USB receiver and Bluetooth. Range 10: Up to five months of battery life Scissor keys are a type of membrane key. Ideal Stroke Keys Customization of Keys With Logi Options, Fn-row Up to three devices are connected. Compatibility Ten days per charge for Windows, macOS, iPadOS, ChromeOS, and Linux Power USB-C to A Without backlighting for five months Color: Pale Gray/Graphite Product Guarantee One-year warranty Physical Details Width x Depth x Height: 430.20 x 20.50 x 131.63 mm; Weight: 810.00 g