4 VGA input ports are connected to four hosts, and one VGA output port is connected to display devices, such as TVs, displays, projectors, etc., to realize the function of four hosts sharing one display.
eBay
7 Ports USB 3.0 Hub 5Gbps High Speed USB Splitter Adapter Individual On/Off Switch For PC Computer Accessories SSD RGB USB Hub
Aliexpress UK
2 Port KVM Switch HD 4K Scanner USB 3.0 KVM Switcher 2 in 1 Out USB for Mouse Keyboard for Win7 Win10 for MAC for PlayStation. 4K 60Hz 2 in 1 out HDMI kvm switch 2x1 Dual Monitor USB 3.0 HDMI KVM Switch with 2 USB data cable.
eBay
Docking Station for Nintendo Switch / Switch OLED,Switch Dock Station Replacement for TV with 4K HDMI Adapter /Type C/USB Port
Aliexpress UK
2 Port Displayport KVM Switch 4K 60Hz USB DP KVM 2 in 1 out DP USB KVM Switch 2x1 For PC to share monitor mouse keyboard printer. 1x 4K DP KVM Switch. Support various USB devices, such as U disk, USB printer/docking station, etc.
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USB Hub 3.0 USB Hub USB 3 USB 2.0 Multi USB Splitter Power Adapter 4/7 Port Multiple Expander 2.0 with Switch for PC Accessories
Aliexpress UK
Note: You must plug Power cable to power the switcher while working. Cable Length: 2.0m Max(Standard 8K DP/HDMI cable). reach 4K/144Hz and 8K. 2 x 8K Type-c cables. Mini LED Lighting Finger Board Colorful Skateboard Kids Children Toy Kid Gifts V.
eBay
7 Ports USB 2.0 Hub Usb HUB 2.0 Multi USB Splitter Hub Multiple USB Expander 2.0 USB Hub 7 in 1 with On/Off Switch For PC Laptop
Aliexpress UK
USB 2.0 2-port KVM. Connects USB keyboard, USB mouse and video to 2 PCs. It is great for workstations, test benches or anywhere tasking between computers is needed. Double check with your engineer befoer you make the order.
eBay
USB HUB USB Switch USB Hub 2.0 Adapter High Speed Multi 7 Ports Hub USB with On/Off Portable USB Splitter For Computer PC Laptop
Aliexpress UK
The HDMI KVM switch also supports HDMI 2.0, HDCP 2.2/1.4, USB 2.0, 3D, and HDR, ensuring stunning, lifelike image quality with vibrant colors that truly pop. 【HDMI 2 IN 1 OUT KVM Switch 】The Unitek HDMI KVM Switch lets you connect two computers to a single monitor and four USB 3.0 devices, such as a keyboard, mouse, hard drives, U disk, and printer.
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7 Ports USB 2.0 Hub Usb HUB 2.0 Multi USB Splitter Hub Multiple USB Expander 2.0 USB Hub 7 in 1 with On/Off Switch For PC Laptop
Aliexpress UK
1 x DP KVM USB Switch 2x1. 7" Flexible Air Tyre Valve Extension Adaptor Motorcycle Car Tire Stem Extender u. Through two USB 3.0 hub ports, the mouse and keyboard can be connected to the KVM. Press the "SW" button on the KVM switch panel to switch between the two source devices.
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Switch TV Dock, Portable Switch Dock for NS Switch/Switch OLED, Cooling Fan and USB 3.0 Port Switch Dock for TV
Aliexpress UK
This HDMI switch is designed to accommodate two computers and one monitor, with a 4K resolution and 60Hz refresh rate, ensuring a seamless and fluid user experience.
eBay
Sipeed NanoKVM-USB Finger-sized 4K HDMI USB KVM for SBCs/Server
Aliexpress UK