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EN-ATHT-2155 V1.3.1
Avantree
Created on March 28, 2025
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Transcript
Version 1.3.1
Advanced Setup & FAQs
Sky Infinity NC
Product Overview
Advanced Setup
Buttons & Indicators
Initial Setup
Interactive Setup Guide
添加reset
Battery status indicator
Connection indicator
Multifunctional button(MFB)
Volume adjustment
ON / OFF
Buttons & Indicators
Continue
Start Over
< Back
LED Indicators
Button Functions
Buttons & Indicators
Battery status
Solid white for 1 second (after power on)
All the 4 LED indicators off
Fully charged
Charging
Any of the 4 LED indicators flashing
Multifun-ctional Button (MFB)
Solid blue & red simultaneously for 3 seconds
Clearing pairinghistory
Blue flashes every 5 seconds
Standby
Reconnecting to last-used device
Solid blue
Alternate red & blue flashes
Blue flashes every second
Connected
Pairing
Status
Indicator
No.
Double click to show battery level
Press once to manually initiate reconnection to last-paired device
Press & hold for 2 seconds to enter pairing mode
Press & hold both for 6 seconds to clear pairing history
Press once or hold to adjust volume
Switch to turn the Relay on / off
Fuctions
Continue
Button
No.
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添加reset
Charging indicators for the Earbuds
Battery indicator for the Case
Pairing indicator
Pairing/reset button
Multifunctional button（MFB）
Buttons & Indicators
Continue
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Solid white for 3s
Solid red for 3s
Solid white
Solid red
Blue flashes
Alternate red & blue flashes
Earbuds charged in the case
Low battery
Case fully charged
Charging the case
Reconnecting
Pairing
Status
Indicator
No.
Press & Hold for 2s to swtich between ANC / Normal modes
Press & Hold for 2s to reject call
Press & hold for 8 seconds to clear pairing history
Press & hold for 3 seconds to enter pairing mode
Double tap to answer calls
Double tap to Play/Pause
Press once on left side to decrease volume
Press once on right side to increase volume
Functions
Button
No.
LED Indicators
Button Functions
Buttons & Indicators
Continue
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改白色
✔ 2 Pairs of Infinity NC Earbuds
✔ USB C Charging Cable (1.5ft / 0.5m)
✔ Relay Transmitter
✔ 4 Extra Pairs of Earbud Tips Large & Small
What's in the box?
Continue
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Buttons & Indicators
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改视频见alisha留言
发射器上的耳机1&2是没有顺序的
be patient 告诉客人
1️⃣ Peel off the insulation film.2️⃣ Place the earphones back in the case
Remove the film
Continue
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改图or+视频
alisha留言
be patient 告诉客人
Use the provided USB cable to fully charge the case before use. While charging, the LED light in the center of the charging case will remain solid red🔴 (B light) The light will turn off once fully charged.
Charge the earphones
Continue
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Use earbuds with Phone
Use in flight
Choose your preferred option:
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Option 1: use the whole set by connecting the transmitter to an AUX 3.5mm audio source. Option 2: use the earbuds independently with your smart phone, PC, or other Bluetooth audio sources.
Choose a way to use
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Turn Bluetooth OFF on nearby devices
Your headphones might connect to other devices 📱💻. Turn Bluetooth off on nearby devices for each use.
Continue
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Connected
1️⃣ Take both earbuds out and wait for 5 seconds. 2️⃣ Once connected, one earbud (left) will flash red and blue 🔴🔵 rapidly.
Earbuds are on
Connect the earbuds
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🔛 Slide the power switch to "ON" – the LED will flash blue.
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Turn transmitter on
Continue
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Check transmitter：Both LEDs will turn solid blue when connected
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Wait for connection
Troubleshoot
Connected
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Check the color of the flashing led.
Are your earbuds flashing red & blue?
Yes
No LED flashes
No
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Troubleshooting
1. Place the earbuds back into the case, then remove them. Wait until the LED on the left earbud flashes red and blue alternately. 2. If there is still no LED light, try charging your earbuds.
Contact us
< Back
Got it
⏳ Press & hold the MFB for 5 seconds until the LED flashes red & blue 🔴🔵.
Press & hold the multifunctional button (MFB) until the LED starts flashing red & blue.
Put the transmitter in pairing mode manually
Red & Blue flashes on Transmitter
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Continue
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Connected
Keep the earbuds and the transmitter close. Wait for 5-10 seconds. Once connected, the transmitter's LED will turn solid blue. The LED on the earbuds will be off.
Wait to connect the 2nd pair of earbuds
Contact us
Start Over
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删除配件
Plug Transmitter In
Plug into an in-flight entertainment system or any 3.5mm AUX source (adapter may be needed).
Plug the transmitter into an audio source
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It's plugged in
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Turn your audio source on and check for sound through your headphones. If there's no sound, try adjusting the volume on either the Relay or the audio source.
Test for sound
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Troubleshoot
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Continue
Source is on & playing
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Troubleshooting
Contact us
- Check if the transmitter is fully plugged into the audio source.
- Put the pair of no sound earbuds back into the case, then take them out again.
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Got it
How to Put Transmitter into Pairing Mode Manually?
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Continue
Reconnection Tips
1. Turn off Bluetooth on previously connected devices. 2. Switch on the transmitter. 3. Remove both earbuds from the case. 4. Wait up to 5 seconds. 5. Both LEDs on the transmitter turn solid blue, confirming auto-reconnection.
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Press & hold the multifunctional button (MFB) until the LED starts flashing red & blue, indicating the transmitter is in pairing mode.
Put the transmitter in pairing mode manually
Got it
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The earbuds connect to the transmitter automatically when turned on. Ensure the transmitter's power switch is in the "OFF" position.
Keep the transmitter OFF
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Transmitter is off
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1️⃣ Take out both headphones. They will flash blue rapidly, indicating pairing. (Failure to pair before plugging in may cause single-sided sound.) 2️⃣ After a few seconds, one headphone (left) will flash red and blue rapidly.
Take out either pair of earbuds. Wait and you'll see the LED on the left earbud flashes red & blue alternately, indicating the earbuds are in pairing mode.
LED flashes red & blue
Remove earbuds from the case
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Learn how to use Auracast.
Turn on Bluetooth on your phone, scan for devices, and select the earbuds: Avantalk Infinity NC 1: Red ear tips Avantalk Infinity NC 2: Blue ear tips
Connect with your phone
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Connected
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Play something on your phone. You should hear audio through your earbuds. If not, adjust the volume on your phone, or the earbuds' touch panel.
Test for sound
Contact us
< Back
Continue
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Start over
Continue
Reconnection Tips
1. The earbuds auto-reconnect to the last paired device. If not, select "Infinity NC" from your device list.2. Turn off the transmitter before using the earbuds with your phone or PC.
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Get support
You can email us directly at support@avantree.com, or click the button below to redirect to our support page. We'll get back to you within 1 business day!
Reach out to us for help!
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Survey link test
Advanced Setup & FAQs
Add FREE 24-month coverage!
You're done!
We hope you enjoy your experience with the Sky Infinity NC! If you ever need anything, please don't hesitate to reach out to us at support@avantree.com
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⚠️ Warning
↗️ You're about to leave this setup guide and visit an external link. 🔙 To come back here again, please use your browser's "back" button or re-scan the QR code on your device.
Proceed ↗️
⚠️ Warning
↗️ You're about to leave this setup guide and visit an external link. 🔙 To come back here again, please use your browser's "back" button or re-scan the QR code on your device.
Proceed ↗️
⚠️ Warning
↗️ You're about to leave this setup guide and visit an external link. 🔙 To come back here again, please use your browser's "back" button or re-scan the QR code on your device.
Proceed ↗️