233621 ZEN II Guia De Inicio Rapido página 11

FREQUENTLY ASKED QUESTION
1. Does the earbud not turn on?
Answer:
① check whether the earbud has no power, and charge the
earbud in time.
2. Is the earbud signal unstable?
Answer:
① restart the earbud (put it back into the charging box and
pick it up again).
② Check the compatibility and call quality of the mobile
phone.
③ Confirm whether the connected device is too far away
from the earbud or there is interference in the surrounding
environment.
④ Do not stay in the environment of signal interference
reflection.
3. Why is the single / dual earbuds suddenly silent during use?
Answer:
① the Bluetooth switch of the mobile phone is touched by
mistake and the Bluetooth of the mobile phone is turned off.
② Due to the particularity of Bluetooth earbuds, your area is
in the environment with strong electromagnetic
interference, and it will be silent.
③ Whether the earbud is set to mute mode.
4. What if there is an electric current sound in the ear?
Answer:
① if the current sound is obvious, please confirm whether it is
caused by environmental interference. It is suggested to
use or close the WiFi equipment at another place to reduce
interference.
② Please try to put the earbud back into the charging box,
close the box cover for 5 seconds, open the box cover and
reconnect with the phone to confirm whether the current
sound disappears or attenuates. Or after hard reset and
restart, connect the mobile phone to confirm whether the
current sound disappears or attenuates.
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