The Mikuso KB-039U is a full-size, wired USB keyboard designed primarily for business and office use, but also suitable for home and personal computing. Key Features and Specifications: Connectivity: It connects via a USB 2.0 interface, offering plug-and-play functionality with no driver installation required. The cable length is approximately 1.4m. Keys and Layout: It features a full-size 104-key QWERTY layout with laser-engraved characters that resist fading over time. It also includes 12 multimedia function keys for convenient access to features like music control and volume adjustment. Design and Build: The keyboard boasts an ergonomic design and is constructed from durable ABS plastic, aiming to provide a comfortable typing experience and reduce fatigue during extended use. Additional Features: Included Keyboard Cover: Each keyboard comes with a 0.04mm thick silicone keyboard cover designed to offer spill and dust protection, reduce typing noise, and enhance typing comfort. Low Noise Keystrokes: The design, especially with the cover, aims for quiet operation, making it suitable for shared environments. Durability: The keys have a switch button life of 3,000,000 times. Compatibility: It supports various Windows operating systems (XP/Vista/7/8/10/11) and Mac OS, although multimedia key compatibility with Mac may vary.