Multitask across three computers with this black Logitech MX Keys wireless keyboard. The rechargeable lithium-polymer battery offers up to 10 days of continuous use on a single charge to prevent unexpected downtimes.Complete assignments seamlessly with this Logitech MX Keys wireless keyboard. Smart backlighting detects your hands and lights up the keys for smooth typing even in dimly lit environments, while the Flow Cross-Computer control feature allows easy file transfer among connected devices. The customizable function keys let you execute multiple commands swiftly. A USB-C port allows rapid charging, and the unifying receiver pairs multiple devices to the 2.4GHz Bluetooth network for reliable connectivity while keeping your workspace clutter-free.Compatibility with Windows, MacOS, Linux, Android and iOS pairs with existing devices, and the compact, lightweight profile offers enhanced portability for flexible use around your office or home. The rounded, concave keys offer comfort for all-day typing, while the Easy-Switch button lets you work on the connected devices simultaneously. This Logitech MX Keys wireless keyboard features a numeric pad for effortless data entry.