ATH-CK3TW
User Manual
Wireless Headphones
Introduction
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 use the product correctly.
Safety precautions
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.
Cautions for the headphones
••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 product out of the reach of small children.
••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.
••If you develop an itch from wearing the product, discontinue use.
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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 it 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.
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Safety precautions
Cautions for rechargeable battery
The headphones are equipped with a rechargeable battery (lithium polymer battery). The charging case is equipped with a rechargeable battery (lithium-ion battery).
••If battery fluid gets into eyes, do not rub them. Rinse thoroughly with clean water such as tap water and consult a doctor immediately.
••If battery fluid leaks, do not touch fluid with bare hands. If fluid remains inside the product, it may cause malfunction. If battery fluid leaks, contact your local Audio-Technica dealer.
––If fluid gets in your mouth, gargle thoroughly with clean water such as tap water and consult a doctor immediately.
––If your skin or clothing comes in contact with fluid, immediately wash the affected skin or clothing with water. If you experience skin irritation, consult a doctor.
••To avoid leakage, generation of heat or explosion:
––Never heat, disassemble or modify the battery, nor dispose of it in a fire.
––Do not attempt to pierce with a nail, hit with a hammer or step on the battery.
––Do not drop the product or subject it to strong impact.
––Do not get the battery wet.
••Do not use, leave or store the battery in the following places:
––Area exposed to direct sunlight or high temperatures and humidity
––Inside of a car under the blazing sun
––Near heat sources such as heat registers
••Charge only with the included USB cable to avoid malfunction or fire.
••The internal rechargeable battery of this product cannot be replaced by the user. The battery may have reached the end of its service life if the usage time becomes significantly shorter even after the battery has been fully charged. If this is the case, the battery needs to be repaired. Contact your local Audio Technica dealer for repair details.
••When the product is disposed of, the built-in rechargeable battery needs to be discarded properly. Contact your local Audio-Technica dealer to learn how to properly dispose of the battery.
For customers in the USA |
RF Exposure Statement |
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FCC Notice |
This transmitter must not be co-located or operated in |
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Warning |
conjunction with any other antenna or transmitter used in |
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other systems. This device complies with FCC radiation |
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This device complies with Part 15 of the FCC Rules. |
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exposure limits set forth for an uncontrolled environment and |
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Operation is subject to the following two conditions: (1) |
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meets the FCC radio frequency (RF) Exposure Guidelines. This |
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This device may not cause harmful interference, and (2) this |
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equipment has very low levels of RF energy that is deemed to |
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device must accept any interference received, including |
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comply without testing of specific absorption rate (SAR). |
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interference that may cause undesired operation. |
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For customers in Canada |
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Caution |
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IC statement |
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You are cautioned that any changes or modifications not |
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CAN ICES-3 (B)/NMB-3(B) |
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expressly approved in this manual could void your authority |
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to operate this equipment. |
This device complies with Industry Canada's licence-exempt |
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Note: This equipment has been tested and found to comply |
RSSs. Operation is subject to the following two conditions: |
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with the limits for a Class B digital device, pursuant to part |
(1) This device may not cause interference; and (2) This |
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15 of the FCC Rules. These limits are designed to provide |
device must accept any interference, including interference |
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reasonable protection against harmful interference in a |
that may cause undesired operation of the device. |
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residential installation. This equipment generates, uses |
Under Industry Canada regulations, this radio transmitter |
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and can radiate radio frequency energy and, if not installed |
may only operate using an antenna of a type and maximum |
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and used in accordance with the instructions, may cause |
(or lesser) gain approved for the transmitter by Industry |
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harmful interference to radio communications. However, |
Canada. To reduce potential radio interference to other users, |
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there is no guarantee that interference will not occur in a |
the antenna type and its gain should be so chosen that the |
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particular installation. If this equipment does cause harmful |
equivalent isotropically radiated power (e.i.r.p.) is not more |
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interference to radio or television reception, which can be |
than that necessary for successful communication. |
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determined by turning the equipment off and on, the user is |
This device complies with RSS-102 radiation exposure limits |
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encouraged to try to correct the interference by one or more |
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set forth for an uncontrolled environment. |
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of the following measures: |
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–– Reorient or relocate the receiving antenna. |
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–– Increase the separation between the equipment and receiver. |
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–– Connect the equipment to an outlet on a circuit different from |
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that to which the receiver is connected. |
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–– Consult the dealer or an experienced radio/TV technician for help. |
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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 reproducing music.
••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.
••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.
••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 fits 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.
••Charge the product in a well-ventilated place (10 to 35 °C) away from direct sunlight. Otherwise, the battery may deteriorate, possibly resulting in shorter periods of continuous use or may fail to charge.
••Operate the touch sensor with one finger. Operating with a sharp-tipped object, such as a ballpoint pen or pencil, may result not only in incorrect operation, but also damage to the touch sensor.
••Do not touch the touch sensor with your fingertips. Doing so may cause your fingernail to break.
••If the product does not operate at all or as intended when touched, check to make sure that your other fingers, parts of your hand, or clothing items are not in contact when touching. Also, the product may not operate correctly if you are wearing gloves or if your fingertips are too dry.
••The product may not operate correctly if the touch sensor is dirty from sweat. Remove the dirt before operating the product.
About water-resistant (drip-proof) performance
••The water-resistant (drip-proof) specification of this product applies only to the headphones, not the charging case.
••Although the product has water-resistant (drip-proof) capabilities equivalent to IPX2, the part where the sound comes from is not water-resistant (drip-proof).
••The water-resistant (drip-proof) performance is designed to protect the headphones if they get wet from rain, etc. (equivalent to IPX2). JIS/IEC protection grade IPX2 means that the headphones are protected against water droplets falling from above at a 15-degree angle. The headphones cannot be used in hot and humid places, such as bathrooms.
••The headphones are not waterproof. Submerging them in water may cause damage.
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For a more comfortable Bluetooth® communication experience
The effective communication range of this product varies depending on obstructions and radio wave conditions.
For a more enjoyable experience, please use the product as close
as possible to the Bluetooth device. To minimize noise and sound Antenna
disruptions, avoid placing your body or other obstacles between
the product’s antenna (R side) and the Bluetooth device.
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Part names and functions
Headphones
L/R (left/right)
indicator
Touch sensor areas
Use to play/pause music and answer/end phone calls. Also use to adjust the volume (+/–).
A microphone is built into the R (right) side.
Indicator lamps
Displays the operating status and battery level of the headphones.
Charging case
Cover
Battery jack
Use to connect the included USB charging cable and charge the
product.
Charging indicator lamps
Flashes when charging the charging case.
■■Accessories
• USB charging cable (30 cm (12”), |
• Eartips* (XS, S, M, L) |
USB Type-A / USB Type-CTM) |
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* At the time of purchase, the M-size eartips are attached to the headphones.
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Charging the battery
Charging the headphones and charging case
•Fully charge the battery when using for the first time.
•If the rechargeable battery power is running low, the product will play a confirmation tone and voice guidance through the headphones, and the indicator lamps of the headphones will flash in red. If a confirmation tone and voice guidance are played, charge the battery.
•It takes about 2 hours maximum to fully charge the headphones, about 2.5 hours maximum to fully charge the charging case. (This time may vary depending on usage conditions.)
1.Connect the included USB charging cable (USB Type-C side) to the battery jack of the charging case.
•The included USB charging cable is designed for exclusive use with the product. Do not use any other USB charging cable.
•When inserting the USB charging cable into the USB port or battery jack, insert it directly (horizontally).
2.Connect the included USB charging cable (USB Type-A side) to the computer to start charging.
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USB port |
Battery jack |
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Computer |
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USB Type-A |
USB Type-C
USB charging cable (Included)
3. Place the headphones in the charging case.
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