High quality Fast-Speed USB 2.0 adapter. Length: 5.5cm.
eBay
Ethernet Cable Extender,RJ45 cat 5 cat 6 cat6a Coupler, Extender Connector - Ethernet Coupler Female to Female
Aliexpress UK
Perfect for MacBooks, smartphones, external drives, and more, they feature a compact design for hassle-free storage and travel. Quantity: 1 Coupler. Type-C Male to Male Extension Adapter. Connectors: USB-C (Male) to USB-C (Male).
eBay
American System Foster Quick Disconnect Coupler Male Plug 22-2 Or 23-2 Female Coupler 2202, 2302, 1/8 NPT Thread
Aliexpress UK
Built for high-speed performance and durability, these adapters make it easy to extend or adapt your existing USB cables. Connector Type: USB 3.0 A Male to A Male. Four pieces USB 3.0 Male to Male Connector Adapters.
eBay
Ethernet Cable Extender,RJ45 cat 5 cat 6 cat6a cat 7 cat 8 Coupler, Extender Connector - Ethernet Coupler Female to Female
Aliexpress UK
High quality Super-Speed USB 3.0 adapter.
eBay
RJ45 Coupler Extender Connector Cat 5 Cat6 Cat6a Ethernet Coupler Female To Female PC Hardware Adapters Ethernet Cable Extender
Aliexpress UK
Type : USB Type-A female to USB Type-A female coupler/adapter. Function : Connects two USB Type-A male cables together to extend overall length. Compatibility : Works with printers, keyboards, mice, external drives, and other USB Type-A devices.
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CAT6A RJ45 Inline Coupler Keystone Jack, AMPCOM RJ45 Cat6 CAT5E Straight-Through Keystone Module Extender Adapter Couplers
Aliexpress UK
USB coupler / cable extender. 2x USB adapters for attaching two USB cables, Female to female A type USB 2.0 adapter. 2x USB Female Couplers. Female to Female. Colour: Grey.
eBay
20pcs RJ45 Coupler Ethernet Cable Coupler LAN Connector Cat7 Cat6 Cat5e Ethernet Extender Adapter RJ45 Adapter Female to Female
Aliexpress UK
This is a type A male to Type A male M-M connectorfor extending an existing cable or changing interface type. The designmakes installation in tight spaces much easier.It's compliant to USB 3.0 and backwards compatible with computer USB 2.0 and USB 1.1 ports.
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2-10Pcs CAT6 RJ45 Keystone Coupler Female To Female Cat6 Keystone Jack High-speed UTP Coupler Insert Ethernet Cable Adapters
Aliexpress UK
USB C to USB C Adapter is small and portable, wear-resistant and durable, does not block the socket, and the operation does not block the hand. USB C to USB C female to female can also be used as a Type-C interface extension and can be inserted without checking the orientation.
eBay
10PCS/25PCS RJ45 CAT6 Keystone Coupler Female to Female UTP Keystone Insert Coupler For Cat6/Cat5e/Cat5 Network Cable
Aliexpress UK