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ATH - CK3TW
User Manual
Wireless Headphones

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Summary of Contents for Audio Technica ATH-CK3TW

  • Page 1 ATH - CK3TW User Manual Wireless Headphones...
  • Page 2: Safety Precautions

    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.
  • Page 3: Cautions For Charging Case

    In such a case, contact your local Audio-Technica dealer. • Do not put it close to fire because that could cause deformation • Do not allow the product to get wet to avoid electric shock or or malfunction.
  • Page 4: Cautions For Rechargeable Battery

    • When the product is disposed of, the built-in rechargeable battery step on the battery. needs to be discarded properly. Contact your local Audio-Technica – Do not drop the product or subject it to strong impact. dealer to learn how to properly dispose of the battery.
  • Page 5: Notes On Use

    • When using the product, select the eartips that fits your ears best, and wear the product securely. • 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 •...
  • Page 6: For A More Comfortable Bluetooth® Communication Experience

    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 Antenna as possible to the Bluetooth device. To minimize noise and sound disruptions, avoid placing your body or other obstacles between the product’s antenna (R side) and the Bluetooth device.
  • Page 7: Part Names And Functions

    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.
  • Page 8: Charging The Battery

    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.
  • Page 9 Charging the battery • When charging, the charging indicator lamp lights and flashes as follows (it may take several seconds for the indicator lamp to light). Flashing in red: Charging Lit in red for 12 seconds and then turns off: Charging complete Quickly flashing in red: Charging error 4.
  • Page 10: Connecting Via Bluetooth

    2. Use your Bluetooth device to begin the pairing process and search for the product. When your Bluetooth device finds the product, “ATH-CK3TW” will be displayed on the device. • For information about using your Bluetooth device, refer to the device’s user manual.
  • Page 11: About Pairing

    Connecting via Bluetooth About pairing When connecting a new Bluetooth device, you need to pair it with the product. Once the Bluetooth device and the product are paired, you do not need to pair them again. The product supports multipairing, in which a connection history is saved. However, in the following cases you will need to pair again even if the Bluetooth device was paired once: •...
  • Page 12: Using The Product

    The product can use Bluetooth wireless technology to connect to your device and play music, receive phone calls, etc. Use the product for whichever of these purposes suits your needs. Note that Audio-Technica cannot guarantee the operation of displays, such as the battery level display, or applications via Bluetooth devices.
  • Page 13: Wearing The Product

    Using the product Wearing the product Insert the side of the product marked "L" (LEFT) into the left ear, and the side marked "R" (RIGHT) into the right ear as shown in the figure. Adjust the position of the headphones so that they fit in your ears securely. Touch sensor areas The product has touch sensors.
  • Page 14: Listening To Music

    Using the product Listening to music • To connect for the first time, pair the product and your device via Bluetooth wireless technology. If you have already paired the product and your Bluetooth device, turn on the Bluetooth device’s Bluetooth connection before turning on the product.
  • Page 15: Supported Codecs

    Using the product Supported codecs The product supports Qualcomm® aptX™ audio (hereinafter aptX) and SBC codecs. When pairing, either the aptX or SBC codec is selected automatically depending on the Bluetooth device being connected. • If a Bluetooth device that supports Qualcomm TrueWireless™ Stereo Plus is connected, aptX is connected automatically. •...
  • Page 16: Talking On The Phone

    Using the product Talking on the phone • If your Bluetooth device supports telephone features, you can use the microphone built into the product to talk on the phone. • When your Bluetooth device receives a phone call, a ringtone will be heard through the headphones. •...
  • Page 17 Using the product Ear detection The product has a built-in sensor. It can detect when the product is removed from or worn in the ear, and automatically perform operations during music playback and calls. Turning on the ear detection (off at the time of purchase) 1.
  • Page 18: Auto Power Off Function

    Disconnecting and then reconnecting the USB charging cable will reset the product and should resolve any problem you are experiencing. If the problem persists, contact your local Audio-Technica dealer. Resetting does not change any of your settings (pairing information, volume...
  • Page 19: Indicator Lamps On The Headphones

    Indicator lamps on the headphones The indicator lamp on each headphone indicates the product's status, as explained below. Status Indicator lamp display pattern White Searching for devices Quickly flashing Pairing (R (right) side only) ( : Gradually lights up) Waiting to be connected Connection Flashing Connecting...
  • Page 20: Voice Guidance

    Voice guidance The headphones play English voice guidance in the following situations. Situation Voice guidance Power on Power is turned on Power off Power is turned off Bluetooth connected Bluetooth is connected Bluetooth disconnected Bluetooth is disconnected Low battery Battery level is low Ear detection is turned on Ear detection on Ear detection is turned off...
  • Page 21: Eartip Size

    Eartips Eartip size The product includes silicone eartips in 4 sizes (XS, S, M, and L). At the time of purchase, the M-size silicone eartips are attached. To ensure the best sound quality, select the eartip size that is best suited for you, and adjust the eartips inside your ears for a snug fit.
  • Page 22: Troubleshooting

    Troubleshooting Problem Solution Power is not supplied. • Charge the product. Unable to pair. • Confirm that the Bluetooth device communicates using Ver. 2.1+EDR or higher. • Place the product and the Bluetooth device within 1 m (3.3') of each other. •...
  • Page 23 Troubleshooting Problem Solution Sound is distorted / Noise is • Turn down the volume. heard / Sound cuts out. • Keep this product away from devices that emit radio waves such as microwaves and wireless routers. • Keep this product away from TVs, radios, and devices with built-in tuners. These devices can also be affected by the product.
  • Page 24: Communication Specifications

    Specifications Headphones Type Dynamic Driver 5.8 mm Sensitivity 98 dB/mW Frequency response 20 to 20,000 Hz Impedance 16 ohms Microphone Type MEMS type Polar pattern Omnidirectional Sensitivity -38 dB (1 V/Pa, at 1 kHz) Frequency response 100 to 10,000 Hz Communication specifications Communication system Bluetooth version 5.0...
  • Page 25 For product improvement, the product is subject to modification without notice. • The Bluetooth® word mark and logos are owned by Bluetooth SIG, Inc. and any use of such marks by Audio-Technica Corporation is under license. All other trademarks are property of their respective owners.

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