Introduction
Thank you for choosing the OBERSTER 14-in-1 Triple Display USB C Docking Station. This versatile hub expands a single USB-C or Thunderbolt 3 port on your laptop into 14 additional ports, enhancing your connectivity and productivity. This manual provides essential information for proper setup, operation, and maintenance of your docking station.
Product Features
- 14-in-1 Connectivity: Expands one USB-C/Thunderbolt 3 port to 14 ports.
- Triple Display Output: Supports dual 4K HDMI and VGA for multi-monitor setups on Windows. Mac OS supports mirror mode only.
- High-Resolution Video: HDMI 1 supports up to 4K@60Hz, HDMI 2 up to 4K@30Hz (DP1.4 source). Dual HDMI output at 4K@30Hz and 2K@60Hz (DP1.4). VGA output at 1080p.
- Power Delivery: Up to 100W Power Delivery (87W safe charging) for laptop charging.
- Ultra-Fast Data Transfer: 1x USB 3.1 port (10 Gbps), 1x USB-C 3.1 port (10 Gbps).
- Additional USB Ports: 4x USB 2.0 ports for peripherals like keyboard and mouse.
- Gigabit Ethernet: Stable and fast wired network connection (1 Gbps).
- Card Reader: SD and Micro SD card slots for quick data transfer (up to 104 Mb/s).
- Audio Connectivity: 3.5mm mic/audio jack.
- Wide Compatibility: Compatible with USB-C/Thunderbolt 3 laptops running Windows 7/8/10/XP/Vista, Mac OS, Chrome OS, Ubuntu, and other current operating systems.
Package Contents
Please check the package contents upon receipt. If any items are missing or damaged, contact customer support.
- OBERSTER 14-in-1 Triple Display USB C Docking Station
- User Manual
Product Diagram

Figure 1: Overview of the OBERSTER 14-in-1 USB C Docking Station, highlighting all available ports including USB-C PD, USB 2.0, HDMI 1 (4K), HDMI 2 (4K), VGA, SD/TF Card Reader, USB 3.1 (10Gbps), RJ45 Gigabit Ethernet, and 3.5mm Audio/Mic 2-in-1 port.
- USB-C Female PD Charging: Power Delivery 3.0, up to 100W.
- USB 2.0 Ports (4x): 480Mbps, for keyboard, mouse, and other low-speed peripherals.
- HDMI 1: 4K HDMI output.
- HDMI 2: 4K HDMI output.
- VGA: 1920x1080P / 60Hz output.
- SD/TF Card Reader: Super Speed data transfer.
- USB 3.1 Port (1x): 10Gbps Super Speed.
- USB-C 3.1 Port (1x): 10Gbps Super Speed.
- RJ45 Gigabit Ethernet: 10/100/1000 Mbps network connection.
- 3.5mm Audio/Mic 2-in-1: Combined audio input/output jack.
- Power Indicator: LED light indicating power status.
Setup Instructions
Follow these steps to set up your docking station:
- Connect to Power (Optional but Recommended): If your laptop requires charging or you are connecting power-intensive devices, connect your laptop's original USB-C power adapter to the USB-C Female PD Charging port (1) on the docking station.
- Connect to Laptop: Plug the integrated USB-C cable from the docking station into a Thunderbolt 3 or full-featured USB-C port on your laptop.
- Connect External Displays:
- For HDMI displays, connect HDMI cables from your monitors to HDMI 1 (3) and/or HDMI 2 (4) ports on the docking station.
- For VGA displays, connect a VGA cable from your monitor to the VGA port (5) on the docking station.
- Connect Peripherals:
- Connect USB devices (e.g., external hard drives, flash drives) to the USB 3.1 (7) or USB-C 3.1 (8) ports for high-speed data transfer.
- Connect keyboard, mouse, or other low-speed USB devices to the USB 2.0 ports (2).
- For wired internet, connect an Ethernet cable to the RJ45 Gigabit Ethernet port (9).
- Insert SD or Micro SD cards into the respective card reader slots (6).
- Connect headphones or a microphone to the 3.5mm Audio/Mic 2-in-1 port (10).
- Driver Installation: In most cases, the docking station is plug-and-play and does not require additional drivers. Your operating system should automatically detect and install necessary drivers.

Figure 2: The docking station connected to a laptop, illustrating its compact design and how it integrates with a workspace.
Operating Instructions
Display Configuration
The docking station supports various display modes depending on your operating system.

Figure 3: Visual representation of Extend and Mirror display modes for Windows and Mac OS. Windows supports various extended configurations, while Mac OS primarily supports mirror mode.
Windows OS: Extend and Mirror Modes
For Windows operating systems, you can easily achieve dual or triple monitor displays. This allows you to work on different projects across multiple screens, enhancing productivity.
- Individual Display Resolution:
- HDMI 1: Up to 4K@60Hz (with DP1.4 source).
- HDMI 2: Up to 4K@30Hz (with DP1.4 source).
- VGA: Up to 1080p@60Hz.
- Dual Display Resolution:
- When connecting 2 HDMI displays: 4K@30Hz and 2K@60Hz (with DP1.4 source).
- When connecting HDMI and VGA: Both outputs will be 1920x1080@60Hz.
- Triple Display Resolution:
- When connecting 2 HDMI and 1 VGA: All outputs will be 1920x1080@60Hz.
Note: For Windows laptops on DP1.2, due to limited bandwidth, the resolution of one of the monitors may be lower than 1080P when connecting 2 or 3 monitors. The final resolution depends on your laptop's configuration and connected monitors.

Figure 4: Examples of maximum resolutions for dual and triple display setups on Windows laptops, showing different combinations of HDMI and VGA outputs.

Figure 5: Illustration of a triple display setup for Windows, demonstrating how to connect three monitors (two HDMI and one VGA) to achieve an extended desktop.
Mac OS: Mirror Mode Only
Mac OS only supports mirror mode (SST - Single Stream Transport). This means all connected external displays will show the same content as your primary Mac screen. Extended mode (MST - Multi-Stream Transport) is not supported by Mac OS through this docking station.
Power Delivery (PD)
The docking station supports up to 100W Power Delivery. Connect your laptop's original USB-C power adapter to the PD port on the docking station to charge your laptop while using other peripherals. The docking station provides up to 87W of safe charging power to your laptop.

Figure 6: The docking station providing fast charging to a laptop via its 100W Power Delivery port, while also charging a smartphone.
Data Transfer
Utilize the high-speed USB 3.1 and USB-C 3.1 ports for rapid data transfer, up to 10 Gbps. The USB 2.0 ports are suitable for connecting devices like keyboards, mice, and other low-bandwidth peripherals.

Figure 7: Illustration of the fast data transfer capabilities of the docking station, highlighting 10Gbps speeds, which are significantly faster than USB 2.0.
Ethernet Connection
Connect an Ethernet cable to the RJ45 Gigabit Ethernet port for a stable and high-speed wired internet connection, supporting speeds of 10/100/1000 Mbps.
SD/TF Card Reader
The integrated SD and Micro SD card slots allow for convenient access and transfer of photos and files directly from your memory cards to your laptop at speeds up to 104 Mb/s.
Audio Port
The 3.5mm audio/mic 2-in-1 port supports both audio output to headphones/speakers and audio input from a microphone.
Maintenance
- Keep the docking station clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid exposing the device to extreme temperatures, direct sunlight, or humid environments.
- Do not attempt to disassemble or repair the device yourself. This will void the warranty and may cause damage.
- Ensure proper ventilation around the docking station to prevent overheating. The design incorporates cooling features to manage heat effectively.

Figure 8: A comparison highlighting the OBERSTER docking station's efficient heat dissipation ("cool") compared to other designs that may experience overheating ("heat").
Troubleshooting
| Problem | Possible Cause | Solution |
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| No display output / Flickering screen |
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| USB devices not recognized |
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| Slow data transfer speeds |
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| Ethernet connection unstable or not working |
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| Docking station feels warm |
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Specifications
| Feature | Detail |
|---|---|
| Model Number | 753532565171 |
| Brand | OBERSTER |
| Connectivity | USB-C (Host connection) |
| Ports |
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| HDMI 1 Resolution | Up to 4K@60Hz (DP1.4 source) |
| HDMI 2 Resolution | Up to 4K@30Hz (DP1.4 source) |
| VGA Resolution | Up to 1920x1080@60Hz |
| Power Delivery | Up to 100W (87W safe charging to laptop) |
| Data Transfer Speed (USB 3.1) | 10 Gbps |
| Data Transfer Speed (USB 2.0) | 480 Mbps |
| Card Reader Speed | Up to 104 Mb/s |
| Compatible Operating Systems | Windows 7/8/10/XP/Vista, Mac OS, Chrome OS, Ubuntu |
| Dimensions (Package) | 19.5 x 8.8 x 2.4 cm |
| Weight (Package) | 190 g |
Warranty and Support
OBERSTER products are designed for reliability and performance. For warranty information and technical support, please refer to the contact details provided with your purchase or visit the official OBERSTER website.
If you encounter any issues not covered in this manual, please contact our customer service team for assistance. Due to timely website updates, if you receive a product that does not match the product detail page, please contact us as soon as possible, and we will resolve the issue for you.

