Aukey EP-B33, Руководство пользователя

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The sound isn’t very clear or the caller can’t hear my voice clearly.
Adjust the volume on your smartphone and the headphones. Try getting closer to your
smartphone to rule out the possibility of interference or wireless range-related issues.
What is the wireless range of the headphones?
The maximum range is 49ft (15m). However, the actual range will depend on
environmental factors. For optimal performance, keep your devices connected
with the headphones within a 15ft–40ft range and make sure that there are no
major obstacles (like reinforced steel walls) between the headphones and your
devices.
My headphones won’t turn on.
Try charging the headphones for a while. If the headphones still won’t power on,
please contact our support team at the address below.
Product Care & Use
Keep away from liquids and extreme heat.
Don’t use the headphones at high volume for extended periods, as this may cause
permanent hearing damage or loss.
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