UGREEN USB C Bluetooth 5.3 Audio Adapter User Manual

1. Introduction

The UGREEN USB C Bluetooth 5.3 Audio Adapter (Model BT501) is a compact and powerful device designed to add Bluetooth audio transmission capabilities to your USB-C enabled devices. Enjoy high-quality, low-latency wireless audio for gaming, calls, and music on platforms like PS5, Nintendo Switch, PC, and laptops. This adapter is specifically for audio transmission and is not intended for data devices such as keyboards, mice, or printers.

2. Package Contents

Please check the package for the following items:

• UGREEN USB C Bluetooth 5.3 Audio Adapter (Model BT501)
• User Manual (this document)

The adapter comes in a compact retail package.

3. Specifications

Refer to the table below for detailed product specifications:

Detailed product parameters including Bluetooth version, protocols, and decoding methods.

Physical dimensions of the adapter.

4. Compatibility

The UGREEN BT501 adapter offers wide compatibility with various devices and operating systems:

• Compatible Devices: PS5, Computer, Nintendo Switch Dock, Laptop.
• Compatible Audio Devices: Bluetooth Headphones, Earbuds/Airpods, Bluetooth Speakers.
• Operating Systems: Driver-free on Windows 7/8/8.1/10/11, and OS Systems.

Important Note: This adapter is designed exclusively for wireless audio transmission. It is NOT compatible with data devices such as keyboards, mice, TVs, or car systems for data transfer purposes.

Visual representation of compatible devices like PS5, PC, Nintendo Switch, Laptops, and various Bluetooth audio devices, alongside incompatible devices such as keyboards, mice, TVs, and cars.

5. Setup

The UGREEN BT501 adapter features a plug-and-play design, requiring no driver installation on supported systems.

1. Insert the Adapter: Plug the UGREEN USB C Bluetooth 5.3 Audio Adapter into an available USB-C port on your compatible device (e.g., PS5, Nintendo Switch Dock, PC, Laptop).
2. Power On: The adapter will power on automatically once plugged in. The indicator light will begin to flash, indicating it's in pairing mode.
3. Prepare Your Audio Device: Put your Bluetooth headphones, earbuds, or speaker into pairing mode. Refer to your audio device's manual for specific instructions on how to enter pairing mode.
4. Pairing: The adapter will automatically search for nearby Bluetooth audio devices in pairing mode. Once found, they will connect. The indicator light on the adapter will change to a solid color, indicating a successful connection and the active audio codec.

The adapter is designed for driver-free use, simply plug it into a USB-C port.

6. Operating Instructions

Once paired, the adapter will transmit audio wirelessly to your connected Bluetooth device. The adapter supports various audio decoding methods and Bluetooth protocols for different use cases.

6.1. Audio Transmission

• Gaming: Experience ultra-low latency audio with aptX Adaptive LL for synchronized game sound and picture.
• Music: Enjoy high-fidelity audio with aptX HD and other supported codecs.
• Calls: The adapter supports HFP (Hands-Free Profile) for Bluetooth calls, allowing you to use a headset with a microphone.

The adapter enables wireless audio for various activities including calls, gaming, and music playback.

6.2. Mode Switching / Pairing Button

The adapter features a button (often indicated by a Bluetooth icon or similar) which can be used for pairing and potentially switching between decoding methods:

• Initiate Pairing: If the adapter does not automatically pair, press and hold the button on the adapter until the indicator light flashes rapidly, indicating it's in pairing mode.
• Switch Decoding Methods: The product supports "one-click switching" between different decoding methods (SBC, aptX, aptX HD, aptX Adaptive). A short press of the button may cycle through these modes, indicated by the changing color of the LED.

7. Indicator Lights

The LED indicator on the adapter provides visual feedback on its working status and the active audio codec:

• Blue Light: Indicates SBC codec is active.
• Green Light: Indicates aptX AD codec is active.
• Yellow Light: Indicates aptX codec is active.
• Purple Light: Indicates aptX HD codec is active.
• Flashing Light: Indicates the adapter is in pairing mode, searching for a device.

The LED changes color to show which audio codec is currently in use.

8. Maintenance

To ensure the longevity and optimal performance of your UGREEN USB C Bluetooth 5.3 Audio Adapter, follow these simple maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the adapter. Avoid using liquid cleaners or solvents.
• Storage: Store the adapter in a cool, dry place when not in use.
• Handling: Avoid dropping the adapter or exposing it to extreme temperatures or humidity.
• Connectivity: Ensure the USB-C port on your device is clean and free of debris before inserting the adapter.

9. Troubleshooting

If you encounter issues with your UGREEN BT501 adapter, try the following solutions:

• No Connection/Pairing Issues:
  • Ensure the adapter is fully inserted into the USB-C port.
  • Verify your Bluetooth audio device is in pairing mode.
  • Try pressing and holding the button on the adapter to manually initiate pairing mode.
  • Move the audio device closer to the adapter (within 10 meters).
  • Restart both the host device (PC, Switch, PS5) and the Bluetooth audio device.
• No Sound:
  • Check the volume levels on both your host device and your Bluetooth audio device.
  • Ensure the correct audio output device is selected on your host system (e.g., in Windows Sound Settings).
  • Confirm the adapter's indicator light is solid, indicating a successful connection.
• High Latency/Audio Delay:
  • Ensure your Bluetooth audio device supports aptX Adaptive Low Latency (LL) for the best performance.
  • Reduce the distance between the adapter and your audio device.
  • Minimize interference from other wireless devices.
• Adapter Not Recognized:
  • Ensure your host device's operating system is supported (Windows 7/8/8.1/10/11, PS5, Switch, OS System).
  • Try plugging the adapter into a different USB-C port if available.

10. User Tips

• Single Device Connection: This adapter is designed to connect to one Bluetooth audio device at a time. It does not support simultaneous audio transmission to two separate Bluetooth devices.
• Optimal Performance: For the best audio quality and lowest latency, ensure your Bluetooth headphones or speakers also support aptX Adaptive, aptX HD, or aptX codecs.
• Range: While the maximum transmission distance is 10 meters, performance may vary based on environmental factors and obstacles. Keep your audio device within a reasonable range for stable connection.

11. Warranty & Support

UGREEN products are built with quality and reliability in mind. For any product-related inquiries, technical support, or warranty claims, please contact UGREEN customer service through their official website or the retailer where you purchased the product.

Please retain your proof of purchase for warranty purposes.