01COMPUTER CABLES & ADAPTERS
Extend your desktop with quiet precision
A discreet piece of hardware, the Simplecom DA306C sits unobtrusively beside your laptop or desktop, ready to unlock a second screen without cluttering your desk.
Designed for those who need more visual space, this adapter transforms a standard USB port into a high-definition video output, suiting professionals who juggle multiple windows.


02MATERIALS
Cool aluminium construction
The adapter features a durable aluminium alloy casing that protects the internal circuitry while maintaining a sleek profile. This metal shell is not merely aesthetic; it actively assists in dissipating heat generated by the chip during operation, ensuring stable performance over extended periods of use.
CONNECTIVITY
Hybrid input for broad compatibility
Featuring a hybrid connector, the device accommodates both USB-C and USB-A ports, making it suitable for modern laptops and traditional desktops alike. It operates via SuperSpeed 5Gbps USB input and outputs through an HDMI 1.4 port, delivering Full HD 1080p resolution with stereo audio at 48KHz.
PRACTICALITY
Portable and self-contained setup
Ultra-compact and lightweight, the adapter is easy to carry between locations. Installation is straightforward thanks to a built-in USB drive that stores the necessary drivers, eliminating the need for external power sources or complex configuration. The packing carton measures 21 x 14 x 7 cm and weighs 0.5 kg.
AT A GLANCE
The key points
- Aluminium alloy housing dissipates heat during operation
- Hybrid USB-C and USB-A connector fits most PCs
- Supports Extended or Mirror display modes
- USB powered with no external power required
- Built-in driver storage for simple installation
About this product
Simplecom DA306C USB 3.0 and USB-C to HDMI Video Card Adapter Full HD 1080p
DA306C is a USB to HDMI external video adapter with USB-C and USB-A hybrid connector. It turns a USB port into an HDMI output with resolution up to Full HD 1080p. Compatible with latest Windows System, it offers a convenient solution for connecting HDMI displays to PCs requiring additional displays, especially when other video ports are occupied.
This USB to HDMI adapter supports mirror or extended mode. You can expand a secondary screen with this USB adapter, making it an easy and convenient way to add multi-monitor capability to your PC. It can increase productivity by adding an extended screen to your computer, and effectively extending the desktop space, ideal for spreadsheets, word processors and makes multi-tasking easier.
Ultra compact design with aluminium casing, to ensure stable performance and protect the circuit, the metal shell also helps dissipate heat when the internal chip is in operation.
Features
- USB-C and USB-A hybrid connector, for laptop or desktop PC
- Support resolution up to Full HD 1080p (1920×1080)
- Compact and portable design, easy to carry
- Simple installation, built-in USB drive for installation of driver
- USB powered, no external power required
- Durable & stylish aluminium alloy housing
- HDMI port supports both video and audio
- Support Extended or Mirror display mode
- Compatible with Windows 10 and above
Specifications
- Input
- USB-A/USB-C (SuperSpeed 5Gbps)
- Output
- HDMI 1.4
- Audio
- UAC (USB Audio Class) 48KHz stereo
- Resolution
- up to 1080p (1920×1080)
- Housing Material
- Aluminium
- Operation Temperature
- 0 – 45°C
- Cable Length
- 8cm
- Dimension
- 51 x 24 x 11 (mm)
- Weight
- 24g
System Requirement
Available USB 5Gbps USB-C port or USB-A port (USB 3.0 port)
Windows 10 and above operating system
Important Note
This is a dedicated USB graphic adapter that does not rely on computer’s internal graphic processor, DP Alt mode is Not required when using USB-C port
While plug this adapter to your computer first time, you’ll see there is a new USB drive under My Computer or This PC, then double clicks setup file inside USB Drive to install the driver. You can also download driver from our website.
The USB to HDMI adapter works on Windows 10 and above version only, Windows 7/8 and older Windows systems are not supported, macOS is not supported














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