Technical Specifications Dual connectivity Connect via the included USB receiver or Bluetooth low energy technology Easy-switch keys to connect up to three devices and easily switch between them 10 meters wireless range Hand proximity sensors that turn the backlighting on Ambient light sensors that adjust backlighting brightness USB-C rechargeable. Full charge lasts 10 days – or 5 months with backlighting off On/Off power switch Caps Lock and Battery indicator lights Compatible with Logitech Flow enabled mouse Dimensions MX Keys Keyboard Height: 131.63 mm Width: 430.2 mm Depth: 20.5 mm Weight: 810 g USB Receiver Height: 18.4 mm Width: 14.4 mm Depth: 6.6 mm Palm rest Height: 64 mm Width: 420 mm Depth: 8 mm System Requirements Requirements Internet connection for software download Logitech Options software on macOS USB port or Bluetooth® low energy enabled device with keyboard support USB Receiver Windows 7 or later macOS 10.11 or later Linux® Android 6 or later Bluetooth Windows 8 or later macOS 10.12 or later Linux® iOS 9 or later Android 6 or later Package Contents Keyboard Unifying receiver USB-C charging cable (USB-A to USB-C) User documentation Warranty Information 1-Year Limited Hardware Warranty