1. Introduction
This manual provides detailed instructions for the JSAUX 12-in-1 USB C Docking Station. Please read this manual thoroughly before using the product to ensure proper setup and operation. Keep this manual for future reference.
2. Product Overview
The JSAUX 12-in-1 USB C Docking Station is designed to expand the connectivity of your USB-C enabled devices, offering a versatile solution for multi-monitor setups, high-speed data transfer, and power delivery.
Key Features:
- 12-in-1 Connectivity: Includes 2x 4K HDMI, 1x 4K DisplayPort (DP), 1x USB C 3.0 Power Delivery (100W), 1x USB C 3.0, 1x USB C Input, 1x USB A 3.0, 1x USB A 2.0, 1x 3.5mm audio jack, 1x SD card reader (5Gbps), 1x TF card reader (5Gbps), and 1x Gigabit Ethernet (1000Mbps).
- Triple Monitor Support: Equipped with dual 4K@60Hz HDMI ports and a 4K@60Hz DP port, enabling up to three external monitors.
- Magnetic USB Cable Card: Features a magnetic compartment for convenient storage of essential cables and adapters, including USB C to USB C 3.2 Cable, USB C to USB micro B Adapter, USB C to USB A Adapter, 90 Degree USB C Adapter, iPhone Charging Adapter, Ejector Pin Tool, TF/SD Card Slot, and SIM/SD Card Slot.
- 100W Power Delivery: Supports up to 100W pass-through charging via the USB C PD port to power your host device.
- High-Speed Data Transfer: Offers 1000Mbps Gigabit Ethernet, 5Gbps USB C 3.0, 5Gbps USB A 3.0, and 5Gbps SD/TF card slots for efficient data transfers.

Figure 2.1: Overview of JSAUX 12-in-1 Docking Station ports.
3. Package Contents
Please ensure all items are present in the package:
- JSAUX 12-in-1 USB C Docking Station
- USB C to USB C 3.2 Cable (integrated into magnetic card)
- USB C to USB micro B Adapter (integrated into magnetic card)
- USB C to USB A Adapter (integrated into magnetic card)
- 90 Degree USB C Adapter (integrated into magnetic card)
- iPhone Charging Adapter (integrated into magnetic card)
- Ejector Pin Tool (integrated into magnetic card)
- User Manual (this document)

Figure 3.1: Magnetic USB Cable Card with included adapters.
4. Setup Instructions
4.1 Connecting the Docking Station to Your Host Device
- Connect the included USB C 3.2 cable (or another compatible USB C 3.2 cable) to the 'IN USB C' port on the docking station.
- Connect the other end of the USB C cable to your laptop, Steam Deck, or other compatible USB C host device.
4.2 Powering the Docking Station and Host Device
- Connect your power adapter (not included) to the 'USB C PD' port on the docking station. This port supports up to 100W Power Delivery.
- Ensure your power adapter is sufficient for both the docking station and your host device. For example, ROG Ally's 30W turbo mode may require a charger over 65W.

Figure 4.2: Connecting power to the docking station.
4.3 Connecting External Monitors
The docking station supports up to three external monitors with 4K@60Hz resolution.
- Connect your monitors using HDMI 2.0 cables to the 4K@60Hz HDMI ports on the docking station.
- Alternatively, connect a monitor using a DisplayPort (DP) cable to the 4K@60Hz DP port.
- Ensure your device and cables support 4K@60Hz for optimal display quality.

Figure 4.3: Triple monitor setup with the docking station.
4.4 Connecting Peripherals and Storage
- Connect USB devices (keyboards, mice, external drives) to the USB A 3.0 (5Gbps) or USB A 2.0 (480Mbps) ports.
- Insert SD or TF cards into the respective 5Gbps card reader slots for data transfer.
- For wired network connectivity, connect an Ethernet cable to the 1000Mbps Gigabit Ethernet port.
- Connect headphones or speakers to the 3.5mm audio jack.

Figure 4.4: High-speed file transfer and peripheral connections.
5. Operating Instructions
5.1 Display Modes (Windows)
For Windows users, the docking station supports both Mirror Mode and Extend Mode across multiple displays.
- Extend Mode: Allows you to display different content on each connected monitor, expanding your desktop workspace.
- Mirror Mode: Duplicates the content of your primary display across all connected monitors.
Video 5.1: MST and SST (Mirror/Extend) display instruction for Windows.
5.2 Display Modes (Mac OS)
Due to MacOS constraints, Multi-Stream Transport (MST) is unsupported on Apple devices. In extended mode, only two different display contents are available for Mac users.
- Extend Mode: Allows for two distinct display contents.
- Mirror Mode: Duplicates the content of your primary display across all connected monitors.
6. Important Notes & Compatibility
- Always use the included USB C cable or another USB C 3.2 cable and connect it to the 'IN USB C' port for optimal performance.
- For 4K@60Hz output, ensure your host device supports this resolution and use HDMI 2.0 cables.
- Max charging for Steam Deck is 45W.
- Compatible devices include MacBook, Dell, HP, Lenovo, Steam Deck, and portable monitors.

Figure 6.1: Device compatibility overview.
7. Specifications
| Feature | Specification |
|---|---|
| Model | 12-in-1 |
| Brand | JSAUX |
| Connectivity | 2x 4K HDMI, 1x 4K DP, 1x USB C 3.0 PD (100W), 1x USB C 3.0, 1x USB C Input, 1x USB A 3.0, 1x USB A 2.0, 1x 3.5mm Audio, 1x SD (5Gbps), 1x TF (5Gbps), 1x Gigabit Ethernet (1000Mbps) |
| Max Power Delivery | 100W |
| Max Display Resolution | 4K@60Hz (per port) |
| USB Data Transfer Speed | 5Gbps (USB C 3.0, USB A 3.0, SD/TF), 480Mbps (USB A 2.0) |
| Ethernet Speed | 1000Mbps |
| Dimensions | 6.93 x 5.94 x 1.46 inches |
| Item Weight | 14.9 ounces (0.42 Kilograms) |
| Color | Grey |
8. Maintenance
- Keep the docking station clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
- Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.
9. Troubleshooting
- No display output: Ensure all cables are securely connected. Verify your host device and monitors support the selected resolution and refresh rate. Check display settings on your operating system.
- Charging issues: Confirm your power adapter is connected to the 'USB C PD' port and provides sufficient wattage for your host device.
- Slow data transfer: Ensure you are using USB 3.0/3.2 compatible devices and cables for the high-speed ports. Check network cable connection for Ethernet speed.
- Intermittent connection: Try restarting your host device and reconnecting the docking station. Ensure no loose connections.
10. Warranty & Support
For warranty information and technical support, please refer to the official JSAUX website or contact their customer service directly. Keep your purchase receipt for warranty claims.