The Logitech K400 Plus in Black is a wireless touch keyboard designed to make controlling your computer from a distance much simpler. It combines a standard typing area with an integrated 3.5-inch multi-finger touchpad, allowing you to navigate and click without needing a separate mouse. This makes it a practical choice for those using a PC connected to a television in a living room or for managing home theater systems. Connecting the device is straightforward via the included USB Unifying receiver, which uses a 2.4 GHz wireless protocol to ensure a stable connection across your room. To help you manage media on the fly, it features dedicated keys for muting and adjusting volume. The keyboard is built for longevity, with keys rated for up to 5 million strokes and a quiet typing noise level under 55 dBA that won't disturb others nearby. Weighing between 380 and 390 grams and measuring roughly 354 mm in width, the black chassis is lightweight enough to be moved easily from one spot to another. It runs on two AA batteries, which are included in the box, and can last up to 18 months before needing a replacement. This model works across various platforms, including Windows, Chrome OS, and Android 5.0 or higher, and can be further customized using Logitech Options software.