Introduction
The j5create USB-C Mini Dock (JCD381) is a versatile Type-C hub designed to expand the connectivity of your USB-C enabled devices. It provides multiple ports including HDMI, USB 3.0, Ethernet, and supports Power Delivery 2.0, allowing for enhanced productivity and seamless integration with various peripherals.
Key Features:
- Add multiple screens, one up to 4K high resolution. USB-C port compatible display without Alt-DP mode. Driver installation is required.
- Add 2 additional USB ports through your USB-C port. Supports upstream charging & power delivery 2.0 via USB Type-C charging Port.
- Supports two displays with max resolution of 4K @30 Hz / 1080p @60 Hz. Easily add an additional display through a USB 3.0 and HDMI connection.
- Video playback performs at 1080p HD with a resolution of up to 4K @ 30 Hz. Add an additional monitor without adding an expensive, internal video card, avoiding complicated installation.
- Hot swappable USB enables you to add or remove monitors without rebooting your system. Ideal for viewing multiple windows at the same time.
Setup
Follow these steps to set up your j5create USB-C Mini Dock:
- Connect to Host Device: Plug the integrated USB-C cable from the mini dock into an available USB-C port on your laptop or compatible device.
- Power Delivery (Optional): If your laptop supports USB-C Power Delivery, connect your laptop's USB-C power adapter to the 'PD-IN' port on the mini dock. This will charge your laptop while using the dock.
- External Displays: Connect your HDMI monitors to the HDMI ports on the mini dock using HDMI cables. For optimal performance and dual display functionality, ensure necessary drivers are installed as prompted by your operating system.
- USB Peripherals: Connect your USB devices (e.g., mouse, keyboard, external drives) to the USB 3.0 ports on the mini dock.
- Network Connection: For a stable wired internet connection, plug an Ethernet cable into the RJ45 Ethernet port on the mini dock.
- Audio Output: Connect headphones or speakers to the 3.5mm audio jack for sound output.

Image: The j5create USB-C Mini Dock showing its various connectivity ports including HDMI, USB 3.0, and Ethernet.
Video: A brief product overview demonstrating the features and connectivity of the j5create USB-C Mini Dock.
Operating Instructions
Once set up, the j5create USB-C Mini Dock allows for expanded functionality:
- Dual Display: Extend or mirror your desktop across two external monitors. The dock supports resolutions up to 4K @ 30 Hz or 1080p @ 60 Hz. This is ideal for multitasking and enhancing your workspace.
- USB 3.0 Data Transfer: Utilize the two USB 3.0 ports for high-speed data transfer up to 5Gbps, connecting external storage, keyboards, mice, and other USB peripherals.
- Gigabit Ethernet: Enjoy a stable and fast wired network connection with the integrated Gigabit Ethernet port, offering speeds up to 1Gbps.
- Power Delivery: Keep your laptop charged through the dock's USB Type-C charging port, supporting Power Delivery 2.0.
- SD/MicroSD Card Reader: Quickly transfer photos and videos from your camera or other devices using the built-in SD and MicroSD card slots.
- Audio Jack: Connect your headphones or speakers to the 3.5mm audio jack for private listening or external audio output.

Image: A user demonstrating a dual HDMI display setup with a laptop connected to the j5create USB-C Mini Dock.

Image: The j5create USB-C Mini Dock providing up to 60W Power Delivery to a connected laptop.

Image: Visual representation of the j5create USB-C Mini Dock's 5Gbps file transfer capability.

Image: The j5create USB-C Mini Dock providing Ultra-Fast Ethernet connectivity up to 1Gbps.
Maintenance
To ensure the longevity and optimal performance of your j5create USB-C Mini Dock, follow these maintenance guidelines:
- Keep the device clean by wiping it with a soft, dry cloth. Avoid liquid cleaners.
- Avoid exposing the dock to extreme temperatures, direct sunlight, or high humidity.
- Handle the dock and its cables with care to prevent physical damage.
- Ensure proper ventilation around the device, especially during extended use, as it may generate some heat.
Troubleshooting
If you encounter issues with your j5create USB-C Mini Dock, consider the following:
- No Display Output:
- Ensure all HDMI cables are securely connected to both the dock and the monitors.
- Verify that your laptop's USB-C port supports DisplayPort Alternate Mode.
- Install the required drivers for the dock. Check the j5create support website for the latest drivers.
- Try restarting your computer and reconnecting the dock.
- Power Delivery Not Working:
- Confirm that your laptop's USB-C power adapter is connected to the 'PD-IN' port on the dock.
- Ensure your laptop supports USB-C Power Delivery.
- USB Devices Not Recognized:
- Try connecting the USB device to a different port on the dock or directly to your computer.
- Ensure the device has the necessary drivers installed on your computer.
- Device Runs Warm:
- It is normal for the dock to generate some heat during operation, especially when multiple ports are in use or when charging. Ensure adequate ventilation.
- Mac Compatibility Issues:
- Some users have reported specific driver installation sequences or issues with waking from sleep on Mac. Consult j5create support for specific Mac troubleshooting steps.
Specifications
| Feature | Detail |
|---|---|
| Brand | j5create |
| Series | JCD381 |
| Item model number | JCD381 |
| Operating System | Mac |
| Item Weight | 6.4 ounces |
| Product Dimensions | 4.92 x 7.6 x 0.89 inches |
| Item Dimensions LxWxH | 4.92 x 7.6 x 0.89 inches |
| Color | White |
| Manufacturer | j5create |
| Language | English |
| ASIN | B07D42ZV9D |
| Is Discontinued By Manufacturer | No |
| Date First Available | May 9, 2018 |
| Hardware Interface | USB Type C |
| Special Feature | Portable |
| Compatible Devices | Laptops, Monitors, Smartphones, Tablets |
Warranty and Support
For detailed warranty information, technical support, and additional resources, please visit the official j5create website or contact their customer service directly. Keep your purchase receipt for warranty claims.







