Logitech MX Mechanical is a keyboard with extraordinary feel, precision, & performance. Low-profile mechanical keys deliver satisfying feedback with every keystroke. Your fingers glide effortlessly across the matte surface of the keys & dual color keycaps guide peripheral vision to make it easy to orient your fingers & stay in your flow. Features a design that promotes better posture & improved ergonomics. Backlit keys automatically adjust to suit changing lighting conditions. MX Mechanical also boasts multi-device, multi OS connectivity via Bluetooth Low Energy & USB-C recharging. MX Mechanical with Integrated NumpadFull-size. Wired / Wireless: Wireless; Maximum Wireless Range: 32 ft; Connector / Port / Interface: Bluetooth; Logi Bolt; USB; Keyboard Design: Full Size.