1. Dual Display KVM Switcher​​: Our HD KVM Switcher​​ can save your cluttered desktop. Control your 2 computer with just one set of keyboard and mouse. In addition, whether you want to extend your display or duplicate it to improve work efficiency, it wrangles those pesky dual displays into submission. Just make sure your computer supports dual displays.
2. USB 3.0, Sound Support: Say goodbye to USB traffic jams and welcome our USB 3.0 hub port for smooth sailing. Need to share your printer, scanner, webcam, or hard drive between two computers? It can handle it all! It also supports a 3.5 mm sound jack port.
3. 4K 60HZ HD KVM Switcher​​: Supports seamless switching between four HD multimedia interface sources on two displays. Supports 4K resolution at 60Hz, bringing you a visual feast.
4. Multiple Switching Modes: Whether you prefer buttons, remote control, or keyboard shortcuts, it offers you a variety of switching methods. If you don't feel the hotkey vibe​​​, don't worry and you can turn it off at any time.
5. Wide Compatibility: Compatible with for ​​ 7, 8, 10, for OS X, for Linux, and for Unix systems. It works with any system. Easy to use, just plug it in and it works.

Specification:
Item Type: KVM​​
Material: Aluminum Alloy
Remote Control Batteries: 2 x AAA Batteries (Excluded)

How to Use:
Turn on and use.

packing list:
1 * KVM​​
1 * Remote Control
3 * Cable
1 * Instruction Manual