Infinity NC - How to Charge? – Avantree Support

Before You Start: Charging issues may be caused by a loose USB cable, an incompatible charger, or poor contact between the earbuds and charging case.

Step 1 – Charge Your Infinity NC Earbuds

Check the charging case LED:

Flashing WHITE – Charging.

Solid WHITE – Fully charged.

To Charge:

Place both earbuds inside the charging case.
Connect the USB-C charging cable to the case.
Plug the other end into a 5V USB charger (0.5–2A).

Charging Time & Battery Life

Full Charge: Approximately 2 hours.
Battery Life: Up to 8 hours of playtime on a full charge.

Note: Use a 5V / 0.5–2A USB charger. Avoid chargers rated above 2A.

Step 2 – Earbuds or Case Not Charging?

Make sure both earbuds are properly seated in the charging case.
Check that the USB-C cable is securely connected.
Try another compatible 5V USB charger or USB port.
Try a new USB-C cable.
Gently clean the charging contacts on the earbuds and inside the case using a dry, soft cloth.

Still Not Charging?

If the earbuds or charging case still won't charge, contact Avantree Support.

Contact Avantree Support →