5
Notes on use
Be sure to read the connected device’s user manual before use.
Audio-Technica will not be liable in any way for any loss of data in the unlikely event that such losses should occur
while using the product.
On public transportation or in other public places, keep the volume low so as not to disturb other people.
Minimize the volume on your device before connecting the product.
When using the product in a dry environment, you may feel a tingling sensation in your ears. This is caused by static
electricity accumulated on your body, not by product malfunction.
Do not subject the product to strong impact.
Do not store the product in direct sunlight, near heating devices, or in hot, humid, or dusty places. Additionally, do
not allow the product to get wet.
When the product is used for a long time, the product may become discolored due to ultraviolet light (especially
direct sunlight) and wear.
If the charging case is placed in a bag while the USB charging cable is still connected, the USB charging cable may
become caught, severed, or broken.
Make sure to hold the plug when connecting and disconnecting the USB charging cable. The USB charging cable
may become severed or an accident may occur if you pull on the cable itself.
When you are not using the USB charging cable, disconnect it from the charging case.
Do not charge the battery if the terminal of the USB charging cable is bent, loose, or damaged. Doing so may cause
heat generation, smoke emission, fire or electric shock.
When charging the headphones, close the cover of the charging case before charging.
When you are not using the product, store it in the included charging case.
If you use eartips other than those included, the headphones may not fit into the charging case, or may not charge.
Be sure to use the included eartips.
When using the product, select the eartips that fit your ears best, and wear the product securely.
This product can be used to talk on the phone only when using a mobile telephone network. Support for telephony
apps that use a mobile data network is not guaranteed.
If you use the product near an electronic device or transmitter (such as a mobile phone), unwanted noise may be
heard. In this case, move the product away from the electronic device or transmitter.
If you use the product near a TV or radio antenna, noise may be seen or heard in the television or radio signal. In this
case, move the product away from the TV or radio antenna.
To protect the built-in rechargeable battery, charge it at least once every 6 months. If too much time passes between
charges, the life of the rechargeable battery may be reduced, or the rechargeable battery may no longer be able to be
charged.
Do not charge the product if water or foreign matter is inside the battery jack or USB charging cable. Doing so may
cause corrosion, heat generation, smoke, fire, or other malfunction or electric shock in the battery jack or USB
charging cable.
Charge the product in a well-ventilated place (10 to 35°C (50 to 95°F)) away from direct sunlight. Otherwise, the
battery may deteriorate, possibly resulting in shorter periods of continuous use or may fail to charge.
If the headphones are wet, wipe them with a dry cloth before placing them in the charging case. The charging case is
not water-resistant (drip-proof). Do not charge the product if the headphones are wet.
The hear-through mode of the product allows you to hear the sounds around you through the built-in microphone.
Depending on the volume of the music being played back, the surrounding sounds may be difficult to hear. In this
case, turn down the volume of the music.