Avantree HT8090 User manual

WIRELESS HEADPHONES
WITH USB ADAPTER
User Manual
HT8090
What’s in the box?······················································································································································································ 1
Product Overview & Basic Operation ···················································································································································· 1
Use with a PC / MAC / PS4······································································································································································· 2
Use the headphone with smartphone / tablet································································································································ 2
Reconnect ···································································································································································································· 3
Active Noise Cancellation (ANC) ·························································································································································· 3
Charging the headphones ······································································································································································ 3
FAQ·················································································································································································································· 3

1. AS90 wireless headphones x 1
2. DG80 USB dongle x 1
3. Detachable boom microphone x 1
4. Hard travel case x 1
5. Charging cable x 1
6. AUX audio cable x1
1
What’s in the box?
Product Overview & Basic Operation
R
L
Headphones (AS90)
PAIR
OFF
ON
Power ON : Slide to ON (middle position)
Power OFF: Slide to OFF
Pairing Mode*: Slide to ”PAIR” and hold
for 3s until LED blinks RED & BLUE alternately
then release
PAIROFF
ON
PAIROFF
ON
PAIROFF
ON
Headphones status LED
Charging port
Built-in microphone
Next / Previous track: Hold / for 2s
Volume up / down: Press / once
Play / Pause music: Press once
ANC
Answer / End a call: Press once
Redial most recent call: Press twice
Reject a call: Hold 2s when receiving call
(ONLY works when connected to mobile device)
/
Activate ANC: slide the the switch to ANC,
ANC LED turns GREEN (Headphones must be ON)
Deactivate ANC: ANC LED turns o
ANC status LED
AUX port for plugging in boom mic / AUX audio
cable
Mute/ Unmute: Press once
(ONLY works when connected to mobile device)

2
Use with a PC / MAC / PS4
Boom mic (when using headphones wirelessly)
Dongle (DG80)
Dongle status LED
[Multifunction Button] MFB Pairing Mode*: Hold the MFB for 2s until the LED
ashes BLUE quickly
Toggle the mute switch to Mute On / Mute O
1. Plug the USB dongle into your PC/ Mac/ PS4.
2. Turn ON the headphones.
3. Keep devices close and wait for 2-5 seconds as they automatically connect. Once connected, the USB dongle LED will
turn solid BLUE and the headphones’LED will turn solid BLUE. Now they're ready for use.
4. Select “Avantree HT8090” as the Output and Input device in the respective system settings and application settings
for use with VoIP services.
Settings
Notes：
5. Now, you can stream music, make a VoIP Call, or play a game.
a. Windows system: Right click the  in the bottom right-hand corner of the taskbar →Click “Open Sound Settings”
b. Mac system: Open theSystem Preferences, then click theSoundicon
c. VoIP services on PC: Go to the Settings of the VoIP service and make sure that the "Speaker / Sound Output” and
"Microphone / Sound Input” are set as “Avantree HT8090”.
d. PS4 (Ensure the PS4 system is updated to the latest version): Go to Settings →Devices → Audio Devices
• For best results when making calls, we recommend using the boom mic
• Using the mute toggle switch on the boom mic is convenient - but please note, since it is a hardware switch, your
VoIP mic status icon may not display changes correctly
• If the headphones and dongle cannot connect /reconnect within the recommended range (30 meters/100 feet, line
-of-sight), please refer to FAQ 1 below or contact us at suppor[email protected]om directly!
Use the headphone with smartphone / tablet
1. Please disconnect the headphone and the dongle from each other – you can either unplug the dongle or physically
move the headphone away from the dongle until it disconnects.
2. Enter the headphone into its pairing mode - slide to“PAIR” and hold for 3s until the LED blinks RED & BLUE
alternately.
3. Turn on the Bluetooth function of your smartphone/ tablet. Search and select the “Avantree AS90” to connect.
4. Now you can stream audio.
PAIROFF
ON

3
Reconnect
Active Noise Cancellation (ANC)
Charging the headphones
FAQ
The Dongle – once it’s disconnected from the headphones, by default the dongle will always try toreconnect as long as it
is on.
The Headphones –
1. Reconnect to the dongle: Normally, once the dongle and headphone are powered ON and within the recommended
range (30 meters/100 feet, line-of-sight) they should auto-connect within 10s. If this is not the case, please refer to
FAQ 1.
2. Reconnect to smartphone or tablet: Ensure the headphone is disconnected from the dongle. Select the “Avantree
AS90" in your phone or tablet’s Bluetooth device list to reconnect.
After turning headphones ON, slide the ANC switch to “ANC” to activate this function. The ANC LED light will turn
GREEN.
Slide the ANC switch to the opposite side to deactivate ANC - the ANC LED will turn o.
When the LED starts blinking RED once every 10s, or when you hear the “low battery”voice prompt, you should recharge
your headphones. Please plug it into a USB wall charger (DC 5V / 0.5-2A) or a powered USB port via the type-C USB cable
provided.
Normally it takes 2 hours to fully charge. The LED indicator on the headphones will remain RED while charging and
automatically turn o when charging is complete.
Please factory reset both the AS90 and DG80, then reconnect and lock them -
Step2: Factory reset the AS90:
Step3: Lock DG80 and AS90:
After the two devices connected successfully, please press DG80 MFB twice then its LED will ash BLUE 5 times quickly,
indicating that they are locked.
① Power up the DG80 and enter it into Pairing Mode - Hold the MFB for 2s until the LED ashes BLUE rapidly
② In its Pairing Mode, press MFB twice to reset the DG80; the LED will light up BLUE for 5 seconds, indicating a successful
factory reset. It will automatically enter into pairing mode (LED ashes BLUE rapidly)
① Turn on the Headphones
② Press and hold the and simultaneously for about 5 seconds until the LED turns PINK, indicating a successful
factory reset. It will automatically enter into pairing mode (LED ashes RED & BLUE alternately).
Please keep both devices close, once connected, DG80 LED will remain solid BLUE. and the LED of AS90 will remain
solid BLUE.
① Check the boom mic - unplug & plug it in again. Ensure it is rmly seated in the audio jack. Try toggling the mute/
unmute switch to make sure it’s not muted by accident.
② Check the Input settings on your Computer and the Settings Menu of your VoIP app. Make sure you select the
headphones as the input source.
③ Disconnect the AS90 from the DG80 and connect the headphones with your mobile phone to see if it works.
If none of the above solutions work, please feel free to contact suppor[email protected]om for troubleshooting.
We will get back to you within 1 working day.
• You will NOT be able to use the ANC function when the headphones’ battery is too low.
• If you want to use the ANC function in wired mode, please turn ON the headphones rst.
Note:
1. I’ve tried everything, but the HT8090 set still can’t connect/reconnect, what should I do?
2.Nobody can hear me. Why isn’t the microphone picking up any sound?
PAIROFF
ON
Step1: Factory reset the DG80: