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Thank you for purchasing this Audio-Technica product.
Before using the product, please read through the Quick Start Guide and Caution Guide, as well as this user
manual when necessary, to ensure that you will use the product correctly.
Although this product was designed to be used safely, failing to use it correctly may result in an accident. To
ensure safety, observe all warnings and cautions while using the product.
Introduction
Safety precautions
Cautions for the product
• Do not use the product near medical equipment. Radio waves
may affect cardiac pacemakers and medical electronic
equipment. Do not use the product inside medical facilities.
• When using the product in aircraft, follow airline instructions.
• Do not use the product near automatic control devices such
as automatic doors and fire alarms. Radio waves may affect
electronic equipment and cause accidents due to malfunction.
• 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.
• Follow applicable laws regarding mobile phone and
headphone use if using headphones while driving.
• Do not use the product in places where the inability to hear
ambient sound presents a serious risk (such as at railroad
crossings, train stations, and construction sites).
• The product effectively shields external sound, so you may
not hear sound around you clearly while wearing the product.
Adjust the volume to a level where you can still hear
background sound and monitor the area around you while
listening to music.
• Store the eartips out of the reach of small children.
• 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.
• To prevent damage to your hearing, do not raise the volume
too high. Listening to loud sound for an extended period may
cause temporary or permanent hearing loss.
• Discontinue use if skin irritation results from direct contact
with the product.
• If you begin to feel unwell while using the product,
discontinue use immediately.
• When removing the product from your ears, check to make
sure the eartips are still attached to the main unit. If the
eartips become lodged in your ears and you are unable to
remove them, consult a physician at once.
• Temporarily discontinue use if you experience itchiness from
wearing the product.
Introduction
Safety precautions
Cautions for the product
Cautions for rechargeable battery
Notes on use
Part names and functions
Charging the battery
Connecting via Bluetooth wireless technology
About pairing
Pairing a Bluetooth device
Using the product
Power supply ON/OFF
Wearing the product
Listening to audio
Talking on the phone
Auto power off function
Reset function
Cleaning
Eartips
Eartip size
Replacing the eartips
Troubleshooting
Indicator lamp display
Specifications
