Power & Charging Related – Avantree Support

POWER & CHARGING GUIDE

Aria 90B – Power & Charging Guide

Learn how to charge your headphones, turn them ON or OFF, and check the battery life.

Step 1 – Charge Your Headphones

Connect the USB charging cable to your headphones.
Connect the other end to a 5V USB power source (0.5–1A).
Check the charging LED.

Solid RED – Charging

LED OFF – Fully charged

Charging time: About 2 hours.

Note – Which Charging Cable? Find Your Batch Number →

Before batch 20F1: Micro-USB

Batch 20F1 and later: USB-C

Use the cable that fits your headphones. Do not force the connector.

Step 2 – Turn Your Headphones ON or OFF

Power ON: Slide the power switch to the middle position.
Power OFF: Slide the switch toward the Power symbol.

Automatic Power OFF: The headphones turn OFF automatically after 10 minutes without a connection.

Step 3 – Check Battery Life

Battery Information	Battery Life
ANC OFF	Up to 24 hours
ANC ON	Up to 15 hours
Standby (ANC OFF)	About 35 days

Low Battery Warning

When the battery reaches approximately 30%, you will hear "Low battery."

The RED LED flashes once every 10 seconds.

Headphones Not Charging?

Check that the charging cable is fully inserted.
Try another compatible USB cable.
Try another 5V USB power source.
Leave the headphones charging for 30 minutes, then check the LED again.

Something Doesn't Look Right?

If your headphones still will not charge or turn on, contact Avantree Support. Tell us what the charging LED shows and which charging cable you are using.

Contact Avantree Support →