No power required, plug and play, support positive and negative plug.
eBay
8 In 1 USB Type C Hub for MacBook Pro USB Adapter Dual USB C to HDMI-Compatible USB3.0 2.0 SD/TF Card for MacBook Mac Laptops
Aliexpress UK
USB 3.1 Type C input and HDMI output. USB 3.1 Type C input and HDMI output. 1x Type C to HDMI Cable. Cable length: 2m/6.6ft (Approx.). High Quality Material for Superior Conductivity, Gold-Plated connectors resist corrosion and provide durability.
eBay
TUTI 5-in-1 USB C 4K HDMI Adapter with Ethernet 100W PD, USB 3.0& 2.0 ports for MacBook Pro, Chromebook, XPS and USB C devices
Aliexpress UK
Mirror or expand your screen content with the high-resolution graphic images on your HDTV, monitor, or projector at up to 4K resolution at 30Hz. The HDMI adapter ensures productive work and a clear visual experience.
eBay
3-in-1 USB C Docking Station with Holder TYPE C HUB USB C to HDMI Adapter 4K30Hz HD/PD100W/USB2.0 For PC Laptop Macbook Pro
Aliexpress UK
Uni-directional, only from USB-C host device to HDMI displays. 【Multi-functional Support】 8K USB C to HDMI 2.1 adapter combines the latest HDMI 2.1 standard with the versatility of USB-C. 【High-quality Materials】 A small, lightweight, easy-to-use usb-c to hdmi adapter.
eBay
USB C To HDMI-compatible Adapter Cable Type C To HD 4k 30Hz USB C Cable Extend Screen Laptop Projector High Definition Adapter
Aliexpress UK
✔️ 【4K UHD Performance】: This usb to hdmi adapter supports resolution up to 4K (3840 x 2160 @ 30 Hz); backwards compatible to 1080P and 720P. Stream high definition authentic audio and video from your computer with this adapter.
eBay
USB C to HDMI-Compatible Adapter 4K@60 4K@30 Type c Converter for MacBook iPhone 15/16 Tablets Switch and More USB-C Devices
Aliexpress UK
USB C Type C To HDMI Cable 2M 4K HDTV AV TV Adapter For Samsung Huawei Macbook. 4K Resolution - Supports resolutions up to 4k @ 30hz (3840x2160), compatible with 1080P/720P. Type C to HDMI HDTV AV TV Cable Adapter: This USB 3.1 Type C to HDMI cable allows you share a USB C device to an HDMI-equipped display without a need for a separate ethernet cable.
eBay
USB C To HDMI-compatible Adapter Cable Type C To HD 4k 60Hz USB C Cable Extend Screen Laptop Projector High Definition Adapter
Aliexpress UK
HELIUM - NETWORK - MARKET. Huawei P20. Huawei P20 Pro. Huawei Mate 10 / 10 Pro. Huawei Mate 20 / 20 Pro. Connectors: Type C to HDMI. For HUAWEI Mate 10 (NOT Compatible with HUAWEI P9), etc. Samsung Galaxy Note 10 Pro.
eBay
FSU USB C to HDMI-Compatible Adapter 4K@60 4K@30 Type c Converter for MacBook iPhone 15/16 Tablets Switch and More USB-C Devices
Aliexpress UK
Upgrade your viewing experience with this USB C to HDMI Female Adapter Cable, designed for seamless 4K UHD video output. Whether you're connecting your MacBook, Samsung TV, or other USB-C devices, this USB-C to HDMI 4K Adapter ensures crystal-clear visuals with vibrant colors and smooth performance.
eBay
MOKiN USB Type C Hub for MacBook Pro USB Adapter Docking Station Dual USB C to HDMI USB3.0 SD/TF for MacBook Mac Dongle Laptops
Aliexpress UK