Features: Remote Modulation Control O&M Virtual Keyboard and Mouse Web Control 4k30fps loopback is innovative device to enhancing the efficiency of remote operation for corporate and individual users. It realizes remote control of multiple devices through wireless technology, dramatically simplifying the complex operation process and allowing users to manage and maintain easily. The product combines the functions of a virtual keyboard and mouse, allowing users to realize fully control of connection devices simply through a web browsering. It also features 4k30fps loopback function to ensure high-quality video transmission and a picture experience. The small finger-sized design form factor extremely and easy to carry. Specifications: Product name: KVM-USB Operation and maintenance Servers Material: ABS size: about 8.5x2x3cm/3.34x0.79x1.18in Support 4k30fps lopback 4K30fps USB Capturing 2K30fps Package Includes: 1PC KVM-USB Operations Maintenance servers Tool note: Please allow 0-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.