Sabrent USB 2.0 Sharing Switch up to 4 Computers and Peripherals LED Device Indicators (USB-USS4).
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
Specification: Double power socket with rocker switches, 180-230V input, 13 Amp, AC 50/60Hz, 2 Gang. Dual USB Charging Ports: 1x Type C and 1x Type A ports provide a total of 5V, 2100 mAmp output. 13 Amp Power Double Socket.
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
Built-in over-current protection to protect both connected devices and the hub itself from unforeseen power surges. Flexible cable can extend the hard-to-reach USB ports on your desktop to your desired location, which making it a nice choice for desktop.
eBay
UGREEN 10Gbps USB C Switch USB C 3.2 Switcher for PC Keyboard, Mouse, Printer and Scanner 2 PCs Sharing 4 Devices USB Switch
Aliexpress UK
With a 1:1 connection split/duplication, this cable features a USB Standard Type A Male connector on one end and a USB Type B Female connector on the other. Perfect for adding flexibility and reach to your USB connections, this adapter cable set includes two units.
eBay
USB KVM Switch Adapter USB 3.0 Switcher 2 Input 4 Output USB Switch KVM Switcher Printer Sharer For Computer Keyboard
Aliexpress UK
The black plastic body of the device is designed to hold four AA batteries with a switch to turn it on/off. 1 battery case（Note:does not include 4 AA batteries ）. Get your hands on this power bank and never run out of battery again.
eBay
USB Switch Extension Cable USB Data Transmit Power Adapter With On/Off Power Switch For LED Strips USB Devices Extension Cable
Aliexpress UK
Model Number: USB Cable Male to Female with Switch. Interface A: USB female. Interface B: male USB. 1 x USB cable. Type: Cable adapter. Double use. Color: Black，White. Easy to carry.
eBay
HDMI KVM Switch 4K 60Hz 4-port USB KVM HDMI Switch selector Box USB 2.0 and HDMI 2.0 Switch KVM HDR for mouse,keyboad,monitor
Aliexpress UK
Specification: Type: Car Dual USB Socket Material: Plastic Item Color: Blue / Red / Green / White / Orange Operating Voltage: 12-24V USB Quantity: 2 USB Output: DC 5V 3.1A Size: As Picture Shown 2 Pin Connection - ( 1 Positive, 1 Negative ) Waterproof rating of IP66 and Dust-proof Package Include: 1x USB Charger Rocker Switch Panel 2 x 14cm Cable.
eBay
PzzPss USB KVM Switch 2 Port VGA SVGA Switch Box USB 2.0 KVM Mouse Switcher Keyboard 1920*1440 VGA Splitter Box Sharing Switch
Aliexpress UK
2Pcs USB cable. Model Number: USB Cable Male to Female with Switch. Interface A: USB female. Interface B: male USB. Type: USB cable. Due to the light and screen difference, the item's color may be slightly different from the pictures.
eBay
8K 60Hz HDMI 2.1 KVM Switch for 4 computers 4-port 8K HDMI 2.1 USB 3.0 KVM Switch 4K 120Hz KVM HDMI Switch for 4 PCS USB share
Aliexpress UK