Audio-Technica ATH-ANC300TW QuietPoint Noise-Canceling True Wireless In-Ear Headphones - Manual (Page 3)

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Safety precautions
Cautions for charging case
• Do not disassemble, modify or attempt to repair the product to
avoid electric shock, malfunction or fire.
• Do not subject the product to strong impact to avoid electric
shock, malfunction or fire.
• Do not handle the product with wet hands to avoid electric
shock or injury.
• Disconnect the product from a device if the product begins to
malfunction, producing smoke, odor, heat, unwanted noise or
showing other signs of damage. In such a case, contact your
local Audio-Technica dealer.
• Do not allow the product to get wet to avoid electric shock or
malfunction.
• Do not put foreign matter such as combustible materials, metal,
or liquid in the product.
• Do not cover the product with a cloth to avoid fire or injury by
overheating.
• When charging, make sure to use the included USB charging cable.
• Do not charge with devices that have quick-charge functionality
(with a voltage of 5 V or more). Doing so may cause the
product to malfunction.
• Do not store the product in direct sunlight, near heating
devices, or in hot, humid, or dusty places because such storage
could cause malfunction or defect.
• Do not put the product close to fire because that could cause
deformation or malfunction.
• Do not use benzine, paint thinners and electrical contact
cleaner, etc. because use of such material could cause
deformation or malfunction.