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Avantree Bluetooth USB Dongle Quick Start Guide

Avantree Bluetooth USB Dongle FEATURE

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Avantree Bluetooth USB Dongle

Avantree Bluetooth USB Dongle PRODUCT

About Avantree
Avantree is a brand that specializes in producing audio and wireless products, particularly focused on delivering high-quality audio experiences for consumers. The company is known for its range of Bluetooth headphones, earbuds, wireless speakers, and other audio accessories. Avantree was recognized for offering products that cater to various audio needs, such as wireless headphones for both casual and professional use, gaming headsets, and audio adapters to enhance connectivity with different devices. Their products often feature technologies like Bluetooth connectivity, apt audio codecs, noise-cancellation, and ergonomic designs.  

Quick User Guide

Any questions?

Contact Support@avantree.com

Self-service Support

Telephone Support (Mon-Fri)

Live Support – Online clinic (Time: Upon request)

Native Win 10 (PC shipped with Win 10 installed)

  1. Plug DG40s in PC (Front USB port, if possible).
  2. Wait about 5-20s until the Window’s own driver is installed.
  3. Reboot your Computer.
  4. Right-click the Bluetooth icon on the task bar or in the task tray, and select ‘Add Bluetooth Device’.
  5. Put your Bluetooth device into PAIRING MODE.
  6. Follow the on-screen indication to search, pair and connect.
  7. Test with music. If no sound, go to Sound Settings, and select Bluetooth device as a default playback device.

For Other Systems (All Win 7, Win 8, updated Win 10, Vista, XP)

  1. Please download & install driver from support.avantgarde.com(‘latest DG40s driver’)
  2. Reboot PC. Plug in DG40S.
  3. Right-click the Bluetooth icon on the taskbar or in the task tray. Select Display Class View to open the Blue Soleil window.
  4. Put your Bluetooth drive in PAIRING MODE
  5. Double-click the orange globe in the middle of the Blue Soleil window.
  6. Once the Bluetooth device icon appears on the screen, right-click the icon and select Pair.
  7. After you see a dotted line between the orange globe and the device icon, right-click the icon and select Search Service.
  8. The number of services will show on the left bottom corner of the Blue Soleil screen when the search is completed. Right-click the device icon, select Listen to Music or Make Call.
  9. Test with music. If no sound, go to Sound Settings, and select Bluetooth device as a default playback device.

For VoIP calls (e.g. Skype), make sure the Bluetooth device is selected in the audio settings of the application.

Fully illustrated instruction manuals (EN, FR, DE, ES, IT) & Video guides can be found at support.avantree.com (search ‘DG40s Manual / Video’)
The following contents are covered:

  • Software installation
  • Listen to Music
  • Make VOIP Calls 
  • File Transfer with Phone 
  • Connect with Keyboard & Mouse
  • Connect to Bluetooth 4.0 Low Energy devices
  • Example connections (Bose QC35, X-box Controller)
  • Troubleshooting
  • FAQ

For more questions or online installation support, contact support@avantree.com

This device complies with the essential requirements and other relevant provisions of Directive 1999/5/EC.


This device complies with part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference:

  1. This device may not cause harmful interference.
  2. This device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and the receiver.
  • Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

To maintain compliance with FCC’s RF Exposure guidelines, This equipment should be installed and operated with a minimum distance between 20cm of the radiator and your body: Use only the supplied antenna.

FAQs About Avantree Bluetooth USB Dongle

Is Bluetooth dongle quality important?

Because it is a standard, as long as the USB adapter is the same bluetooth version (4.0, for example), it should operate properly with all 4.0 devices. A cheaper one may have a shorter range, but a more costly one may have a greater range/connectivity than the standard.

Are Bluetooth USB dongles universal?

They’ll operate with anything that has a USB port and can output audio, and they normally don’t require any driver software to be installed. Because the Bluetooth connection occurs “outside” of your audio device, no “Bluetooth icon” will appear on your PC or laptop.

What is the purpose of a USB Bluetooth dongle?

A USB-based Bluetooth wireless signal transmitter and receiver. It connects to a USB port and can support Bluetooth mice, keyboards, and other Bluetooth devices. Also known as a “Bluetooth dongle.” Look up dongle.

What is a Bluetooth dongle’s frequency?

Bluetooth® technology operates in the 2.4 GHz ISM radio band (2400 to 2483.5 MHz), allowing for a strong balance of range and throughput.

A Bluetooth dongle can connect to how many devices?

5-7 gadgets

Will the Bluetooth dongle work with the TV?

If you have a Bluetooth-enabled TV and want to connect to non-Bluetooth speakers or headphones, you can use a Bluetooth receiver, such as the Harmon Kardon Bluetooth adaptor.

What are the advantages of using a Bluetooth adapter?

A Bluetooth adapter for PC is compact and portable, so you can take it with you wherever you go. It enables several PCs to share a single printer. Using a Bluetooth Adapter For Pc, you can transfer files wirelessly from one computer to another.

Do Bluetooth dongles send and receive data?

A Bluetooth dongle is a tiny device capable of both receiving and transmitting Bluetooth signals. It normally connects to your computer’s or laptop’s USB port to support wireless (Bluetooth) peripherals including keyboards, mouse, and headphones.

Can I use multiple Bluetooth dongles?

No, you should only use one Bluetooth adapter per device.

Can a dongle be used by more than one person?

The connection speed is slower than that of most fixed broadband connections. A Wi-Fi dongle can only be used with one device at a time.

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