1 USB2.0 to RS232 cable. This product can easily realize the conversion between the computer USB interface and the universal serial port, providing a fast channel for the computer without the serial port, and using this product is equivalent to turning the traditional serial device into a plug-and-play USB device.
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4 in 1 USB C Hub USB 3.2 Hub USB Type C Multiport Adapter 2*USB3.2+2*USB-C3.2 USB Adapter Type C HUB for Computer Accessories
Aliexpress UK
Interface: USB Male to RS 232 Male (9pin). Feature: 1. Transmission rate. This is not a USB to VGA cable or a USB to DB9 cable. Item Type: USB to Serial Adapter. LONG ENOUGH: Tinned copper conductors and triple shielding ensure optimal data transfer rates, protect your data from EMI/RFI noise, and are long enough to be useful, but not too long to get in the way.
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USB OTG Adapter Cable USB 3.0 Type C Male To USB A Female Usb OTG Data Cord Adapter For Mobile Phones Universal USB C Interface
Aliexpress UK
StarTech 8 Port USB to DB9 RS232 Serial Adapter Hub Industrial DIN Rail and Wall Mountable USB 2.0 Type-B Serial Black Steel Activity 5 V. Collection Model: Startech 8 Port USBto DB9 RS232 Serial Adapter Hub Industrial DIN Rail And Wall Mountable.
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USB C Hubs USB 3.0 HUB USB C Docking Station Type C to USB TYPE-C PD 65W USB Splitter Adapter OTG For Macbook Pro PC Accessories
Aliexpress UK
Title: 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2). Colour: Blue. Type: Serial Adapters. Series: ICUSB232V2.
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7 in 1 USB HUB USB 3.0 Switch USB Hub 2.0 Adapter High Speed Multi 4 Port Hub USB On/Off Switch Portable USB Splitter For Laptop
Aliexpress UK
Supports RS232 serial interface. USB specification 1.1 and 2.0 compliant. hope you could understand. Also note that monitor settings may vary from computer to computer and may distort actual colors.
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USB 3.0 Connector USB To USB Adapter 5Gbps Gen1 Male to Male Female USB Converter SSD HDD Cable Extender USB 3.0 Extension Plug
Aliexpress UK
Model Number:USB to RS232 Converter DB9 Serial Port Cable. 2X(Compatible with multiple systems for Win8/10/ OS driver-free, compatible with a variety of computer systems Plug and play, support hot swap. ).
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DD ddHiFi TC07BA /BC /BL (USB-A / USB-C / Lightning to USB-B Decoding Cable) and TC07AC (USB-C to USB-A Standard 2.0 Data Cable
Aliexpress UK
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USB 3.0 Extension cable White USB 3.0 Male to Male cable Extension USB 3.0 cable for Radiator TV Box USB KVM Switch USB 3.0 cord
Aliexpress UK
Easily convert computer USB interface to universal serial port, providing a fast channel for computers without serial ports. The product is equivalent to turning traditional serial port devices into plug and play USB devices.
eBay
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