User Manual

During a call using the earbuds,

others can't hear me speaking

over a call.

• Check your smartphone to make sure the voice is going

through the earbuds.

• Speak close to your earbud.

Function problems

Problem Solution

How to enable or disable the

noise cancellation feature?

The earbuds have three noise control modes: Noise

cancellation, Transparency, and OFF modes.

You can switch between these three modes by pressing

and holding your left earbud for 3 seconds. You will hear a

prompt tone when the earbuds switch to a different mode.

The noise cancelling function

doesn't work well on my

earbuds.

• The noise cancelling function may be disabled. Enable the

noise cancelling function by pressing and holding your left

earbud for 3 seconds.

• The size of the ear tips is not suitable for you, or you may

be wearing the earbuds incorrectly. Choose the most

comfortable fit, and ensure your earbud makes a good seal

with your ear canal.

• If the sound openings such as microphone and speaker

openings are blocked by debris, then clean your earbuds

with a dry and soft cloth.