AIMOS USB/KVM SWITCHER will switch up to 4 DVRs or PCs onto one monitor/mouse/keyboard set up
eBay
28cm USB Cable with On/Off Switch, Male to Female USB Extension Inline Rocker Switch for Driving Recorder, LED Desk Lamp USB Fan
Aliexpress UK
38cm Duplex Repeater Interface Cable For Motorola GM380 GM950 GM340 GM360 GM3188. 1x USB 2 ports KVM switch device. Special design for high speed data sharing interface, standard USB 2.0. New 4 Port VGA Video Selector Switch 4 In 1 Out VGA Switcher 4x1 VGA Switch Box.
eBay
7 Ports USB HUB USB Switch Usb Splitter Adapter High Speed Multi HUB USB2.0 Extension HUB with On/Off Switch For Computer Laptop
Aliexpress UK
Special feature USB 3.0 Switch, Sharing Switch for USB-C. USB 3.0 Switch, Sharing Switch for USB-C. Colour Gray.
eBay
Lemorele USB KVM Switch Adapter USB 3.0 Switcher 2 Input 4 Output USB Switch KVM Switcher Printer Sharer For Computer Keyboard
Aliexpress UK
1 x iDsonix USB 3.0 Switcher. 2 x iDsonix 3.3FT/1M Cable. 1 x iDsonix Product Manual. [Easy to Use]: Our USB 3.0 switch selector is driver-free for Windows, Mac OS, Linux, plug and play, no drivers need to be installed, and LEDs show the usage status.
eBay
USB KVM Switch Adapter USB 3.0 Switcher 2 Input 4 Output USB Switch KVM Switcher Printer Sharer For Computer Keyboard
Aliexpress UK
Say goodbye to tangled cables and say hello to streamlined efficiency, all while ensuring compatibility with high-power devices! USB 3.0 Switch 4 Port USB Switch Selector. Convenient one-button switching with LED indicators to effortlessly switch between systems (Mac, Linux, Windows).
eBay
USB Switch Extension Cable USB Data Transmit Power Adapter With On/Off Power Switch For LED Strips USB Devices Extension Cable
Aliexpress UK
USB 3.0 Switch, USB Switcher 2 Computers Share 4 USB for PC Mouse Keyboard Printer Scanner, USB KVM Switch Selector Compatible with Windows, Mac, Linux. (The Micro USB-USB Charging cable is included, but the power adapter is not).
eBay
Type C Switch Cable Micro USB Charging Cord with On/Off USB to DC Power Switch Cable Extension Cables for Phone LED USB Fan etc
Aliexpress UK
4 Port 4K@60Hz Dual Monitor HDMI & DisplayPort USB KVM Switch, higher Level Compatibility for Keyboard, Mouse and Monitors. Description: This HDMI & DisplayPort 4 port dual monitor KVM switch, you can easily control 4 signal sources at the same time, share the same keyboard and mouse, and share 2 monitors. You can toggle and control any input device at any time with a button switch.
eBay
USB Hub Splitter With Individual Switch USB 4/7 Port Splitter Individual Switch USB Adapter Hub Multi-Port Socket Powered ON/OFF
Aliexpress UK
3.0 USB Switch - Soomfon USB switcher allows 2 computers to share 4 USB 3.0 devices such as keyboard, printer, scanner, mouse, card reader, flash drive, etc. Without constantly swapping cables or setting up complicated network sharing software.
eBay
Portable Nintendo Switch Dock - USB C Hub with HDMI 4K, USB 3.0, PD Charging - Compact Travel Dock for Switch OLED/Switch Lite
Aliexpress UK