
It's called a "dock" because it's designed to plug into the left side of the USB-C port and fit under the laptop. tilt it slightly at an angle, but for laptops that only have USB-C on the right side, it's a better fit as a key. The size of the product can be an issue if you want to carry it around. If you want to take it with you, bizhub might be the best option. However, the dongle should have enough ports for each use, unless you want to output to multiple 4k monitors simultaneously.

Docking Station OKX Display Ethernet
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Universal Laptop Docking Station for Windows and Mac - Plugable USB 3.0 Dual DisplayPort 4K Monitor with Gigabit Ethernet, Audio, and 6 USB Ports
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12-in-1 USB C Docking Station: Dual Monitor, Triple Display, 4K HDMI, VGA, Gigabit Ethernet, SD/TF Card Reader - Compatible with MacBook/Surface/HP/Dell
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Experience Seamlessly Connected Productivity: USB C Hub Docking Station with Triple Display, Dual HDMI 4K, DP, PD Charger, Gigabit Ethernet, USB Ports, SD/TF Card Reader - Ideal for MacBook Pro and Windows
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