Audio-Technica ATH-ANC300TW QuietPoint Noise-Canceling True Wireless In-Ear Headphones - Manual (Page 18)

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Get into the habit of regularly cleaning the product to ensure that it will last for a long time. Do not use alcohol, paint
thinners, or other solvents for cleaning purposes.
• Wipe any dirt off the headphones and charging case with a dry cloth.
• Immediately wipe off any moisture (such as sweat) that has splashed onto
the charging case battery jack, the charging terminals, and operation controls
(such as buttons on the headphones). Failure to do so may result in a
malfunction due to corrosion.
• Natural oils from the skin are particularly likely to build up on the eartip
attachment parts (see figure at right). If these areas are not cleaned, the
eartips can become detached. Clean them regularly. Do not touch the
areas where sound is produced as they are delicate. Doing so may result in
malfunction.
• If the USB charging cable is dirty, wipe the cable with a dry cloth immediately after use. Failure to clean the cable
may cause it to deteriorate and harden over time, resulting in malfunction.
• If the USB terminal of the charging cable is dirty, wipe it off with a dry cloth.
• Clean the eartips by removing them from the headphones and manually cleaning them with a diluted mild detergent.
After cleaning, dry before using again.
• If the product will not be used for an extended period of time, store it in a well-ventilated place free from high
temperatures and humidity.
Voice guidance
The headphones play English voice guidance in the following situations.
Situation Voice guidance
Power is turned on Power on
Power is turned off Power off
Bluetooth is connected Bluetooth connected
Bluetooth is disconnected Bluetooth disconnected
Battery level is low Low battery
Eartip
attachment part
Sound
reproduction part
Cleaning