Features:
Support a set of USB keyboard and mouse synchronization control four computers.
You can choose synchronous mode and switch mode. Support hotkey switching.
Built-in high-performance chip to help you better control computers, stable and high-speed.
Aluminum alloy shell, anti-static, anti-corrosion and anti-interference. Good heat dissipation effect, effectively prolong the service life of the product.
No driver required, easy to use, plug and play.
The LED indicator lights show the real-time working status.

Specification:
Name: 4-port USB synchronizer
Color: Black
Material: Aluminum alloy
Input interface: 4*USB-B
Output interface: 2*USB-A
Supported PC quantity: 4
Compatible systems: Windows/Linux/Unix/Android/DOS/Netware
Function: Hotkey switch, mouse across the screen, independent control, synchronous control
KVM function: Sharing keyboard and mouse
Working temperature: -5℃-65℃
Working humidity: 5-90%RH (uncompressed)
Item size: 10 * 6.4 * 1.8cm / 3.94 * 2.52 * 0.71in

Packing list:
1 * Synchronizer
4 * USB Cable
1 * User Manual