The KCEVE USB Switch is a versatile device that allows you to control up to 4 computers with just one key. The sleek black design includes 4 USB cables for easy connection. This electronic switch is compact, measuring 4" in length and 2 1/2" in width, making it convenient for use on a desk. The connector A is USB, ensuring compatibility with a variety of devices. Made in China, this unit from KCEVE is a practical solution for managing multiple computer setups efficiently.