Dell Alienware Dual-Mode Wireless Gaming Headset (AW720H) Usage and Troubleshooting Guide

Summary: The following article provides information about the Dell Alienware Dual-Mode Wireless Gaming Headset - AW720H. You can reference each section to learn more about the features of the Dell AW720H and how to use it. ...

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Instructions

Table of contents:

  1. What is in the Alienware Dual-Mode Wireless Gaming Headset AW720H box
  2. Alienware Wireless Gaming Headset AW720H Features
    1. Headset
    2. Accessories
    3. Charging the headset
    4. Battery life
  3. Setting up your Alienware Wireless Gaming Headset AW720H
    1. System requirements
    2. Connecting the headset to your device using the USB wireless dongle
    3. Connecting the headset to your device using the Inline audio cable
  4. Using the headset
    1. Adjusting the headset
  5. Troubleshooting
  6. Additional Information

 

Alienware Dual Mode Wireless Gaming Headset AW720H
Work faster and smarter with the Dell AW720H.

 

What's in the Dell Alienware Dual-Mode Wireless Gaming Headset AW720H

 

 

Dell AW720H inside box
Dell Alienware Dual-Mode Wireless Gaming Headset AW720H Box Contents

1 Alienware Dual-Mode Wireless Gaming Headset AW720H 2 USB-A to USB-C charging cable
3 USB-C wireless dongle 4 Documents
5 3.5mm inline audio cable 6 USB-A to USB-C adapter

 


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Dell Alienware Dual-Mode Wireless Gaming Headset AW720H Features

 

Headset

Alienware AW720H Dual Mode Wireless Gaming headset
Alienware Dual-Mode Wireless Gaming Headset AW720H

1 LED Indicator 2 Power button
3 Volume control 4 Retractable microphone
5 USB-C Charging port 6 Inline audio cable port
7 Game or Chat balance button 8 Microphone mute button

Accessories

Alienware Dual-Mode Wireless Gaming Headset AW720H accessories
Alienware Dual-Mode Wireless Gaming Headset AW720H accessories

1 Microphone mute slider 2 Microphone

Charging the headset

To charge the headset, use the USB-A to USB-C cable:

  • Connect the USB-C end of the cable to the headset.
  • Connect the USB-A end of the cable to the computer.

Charging Alienware Dual-Mode Wireless Gaming Headset AW720H
Charging Alienware Dual-Mode Wireless Gaming Headset AW720H

NOTE: For best results, ensure that the battery is fully charged when using it for the first time.
NOTE: To improve battery life, turn off the power switch when the headset is not used.

Battery life

The headset provides up to 30 hours of audio playback, and up to 55 hours with Alienhead LED turned off. Complete charging from flat to full may take less than 2.5 hours.

Charging indication can be found on both the power and Alienhead LEDs.

AW720H Battery life

Battery LED Behavior

Fully charged Power on: LED light stays green, and the Alienhead logo displays last selected lighting effect.
Power off: LED light and Alienhead logo stay green.
While Charging Power on: LED light changes between amber and green. The Alienhead logo changes between amber and green for 12 s, then returns to the previous lighting effect.
Power off: LED light changes between amber and green.
When the battery is less than 20%. Power LED: LED light slowly blinks in amber.
Alienhead logo: Light fast-blinks in amber until the battery is at 0%.

Auto power off

The headset automatically turns off after 30 minutes when;

  • USB wireless dongle connection is lost.
  • Bluetooth is not connected.
  • Connected computer is turned off.
  • Thee USB wireless dongle is removed from the USB port.

To turn the headset on, press the Power button for two seconds.

 


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Setting up your Alienware Dual-Mode Wireless Gaming Headset AW720H

System requirements

  • One USB port for USB wireless dongle
  • One USB port for charging (optional)
  • Microsoft Windows 11 or Windows 10 64-bit
  • PlayStation, Xbox, or Mobile devices with 3.5mm audio port


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Connecting the headset to your device using the USB wireless dongle

  1. Plug the USB wireless dongle into the USB-A to USB-C adapter, and then connect the adapter to the USB port on your computer.

    Plug the USB wireless dongle
    Plug the USB wireless dongle

  2. The LED lights up blue when connected.

    Switch slider on the headset to 2.4GHz mode
    LED indicator on USB wireless dongle


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Connecting the headset to your device using the Inline audio cable

  1. Connect one end of the 3.5mm inline audio cable to the microphone port on your headset.
  2. Connect the other end to the audio or headset port on your computer or mobile device.

    Connecting the headset to your device using the Inline audio cable
    Connecting the headset to your device using the Inline audio cable

  3. Both audio and microphone functions are available through the 3.5mm cable. Buttons and LEDs are disabled if the headset is turned off.
  4. Audio and mic functions will automatically be routed to the 3.5mm cable regardless if the headset is powered on or off. 2.4G mode is restored once audio cable is removed.
  5. When using the 3.5mm inline audio cable, the headset is compatible with any device with audio port like mobile, XboxOne, and PlayStation.
NOTE: Audio from a 3.5mm inline audio cable will be muted when the USB-C cable is connected to a power source for charging.
NOTE: Ensure that the audio plug closer to the inline microphone is inserted to the headset port.


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Using the headset

Adjusting the headset

Adjust the headband to find the optimal fit. The elastic band can be shifted up and down for the best fit. It is also detachable.

When using microphone, position it approximately two centimeters away from your mouth.

Adjust the headband and ear pads
Adjust the headband.


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Troubleshooting

 

Problems Possible solutions
Headset has no sound.
  • Ensure that the headset is turned on, and properly connected through the wireless dongle or Inline audio cable.
  • Ensure that you are not using the headset with an Inline audio connection while charging.
  • Ensure that the audio player is playing music, and that the computer volume and media player volume are on and not muted.
  • Click the volume icon on your computer. Adjust the volume level on the volume bar.
  • Check the playback setting on the computer, and ensure that the default device is set to AW720H Game.
  • Check that the headset is within range (10m) of the wireless dongle or connected mobile devices. (if connected through the wireless dongle)
  • Check that wireless connection is good.
  • Check that the headset is connected to wireless dongle (recommended mode) on your computer during the game.
  • Use the headset in wireless mode when gaming on your computer.
The person on the other end cannot hear me.
  • Ensure that the microphone is positioned close to the mouth. The mic should be 2cm away from the mouth
  • Ensure that the microphone is not muted. The mute light on the microphone should be off.
  • Check the record setting on the computer, and ensure that the default device is set to AW720H Chat.
  • Check that the microphone is fully inserted into the microphone port. (if connected through the wireless dongle)
  • Ensure that the headset is within range (10m) of the wireless dongle or connected mobile devices (if connected through the wireless dongle).
  • Ensure that the audio plug end is well inserted into the microphone port on your headset and computer respectively (if connected through the inline audio cable).
  • Ensure that the mute slider on the inline audio cable is not muted.
Abnormal sound is coming out of the headset.
  • Check if something is obstructing the headset.
  • Adjust the volume level up and down, and check if the abnormal sound changes.
  • Ensure that the headset is within range (10 meters) of the wireless dongle.
  • Ensure that the inline audio plug is fully inserted into the audio port of the computer or mobile devices. (if connected through the inline audio cable)
Unbalanced sound in the headset Check that the computer volume balance is set correctly.
  1. Right-click the headset icon.
  2. Select playback devices.
  3. Right-click default playback devices, and select Properties.
  4. Select Levels, and click Balance. Ensure that the L and R values are the same
Headset lights do not light up.
  • Ensure that the headset is turned on.
  • Inline cable connection will not show lighting.
  • Open Alienware Command Center, and ensure that the lights are turned on.
Wireless range is too short.
  • Ensure that the wireless dongle is not covered or blocked by metal or electronic objects.
  • Try connecting the wireless dongle to the USB port on the side of your computer, rather than the USB port at the back of your computer.
  • Ensure that no other USB device is connected next to the wireless dongle.
Microphone picks up too much background noise.
  • Ensure that the microphone is positioned close to the mouth.
  • Open Alienware Command Center, and reduce the microphone volume.
Microphone mute is not working when connected with an inline audio cable.
  • Ensure that the audio plug end is well inserted into the microphone port of your headset and computer respectively.
  • Ensure that the red portion of the microphone mute button is covered.
Alienware command center does not recognize the headset.
  • Ensure that the headset is turned on and the headset is connected to the computer through the wireless dongle.
  • Reconnect the wireless dongle or restart Alienware Command Center.
 


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Additional Information

Learn how to use and troubleshoot problems with the AW720H. You can find information about Troubleshooting steps, How-To guides, and relevant Support Videos for assistance.

For the Alienware Dual-Mode Wireless Gaming Headset User Guide, go to the Dell Alienware Dual-Mode Wireless Gaming Headset - AW720H Documentation. Then click View PDF to the right of the Alienware Dual-Mode Wireless Gaming Headset AW720H User Guide, located in the Manuals and Documents section.


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Affected Products

Alienware Dual Mode Wireless Gaming Headset AW720H
Article Properties
Article Number: 000211607
Article Type: How To
Last Modified: 24 Jul 2025
Version:  4
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