About Firmware Update This document is a user manual corresponding to firmware version "Rev2000". You can use the latest functions by updating the firmware with our smartphone app "Connect". Please access the Audio-Technica website for more information about "Rev2000" and how to update the firmware. https://www.audio-technica.com In addition, you can download "Connect"...
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.
Safety precautions Cautions for charging case • Do not disassemble, modify or attempt to repair the product to • Do not cover the product with a cloth to avoid fire or injury by avoid electric shock, malfunction or fire. overheating. •...
Safety precautions Cautions for rechargeable battery The headphones are equipped with a rechargeable battery (lithium ion battery). The charging case is equipped with a rechargeable battery (lithium polymer battery). • If battery fluid gets into eyes, do not rub them. Rinse thoroughly •...
Notes on use • Be sure to read the connected device’s user manual before use. • Make sure to hold the plug when connecting and disconnecting the USB charging cable. The USB charging cable may become • Audio-Technica will not be liable in any way for any loss of data severed or an accident may occur if you pull on the cable itself.
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.
Part names and functions Headphones L/R (left/right) indicator Multifunction buttons Use to turn the power supply ON/OFF, play/pause music, and answer/end phone calls. Also use to adjust the volume (+/–). The L-side button has a protrusion for distinguishing between the left and right. Indicator lamp Housing Displays the operating status and...
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 beep through the headphones, and the indicator lamps of the headphones will flash in red. In this case, charge the battery. •...
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Charging the battery • During charging, the 3 charging indicator lamps light and flash as follows to indicate the battery level of the charging case (it may take several seconds for the indicator lamps to light). Charging indicator lamps White Battery (charging) status of the Lamp display...
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Charging the battery Charging headphones without the charging cable A rechargeable battery is built into the charging case. If you have charged the charging case, you can charge the headphones without using the USB charging cable. • If the rechargeable battery power is running low, the product will beep through the headphones, and the indicator lamps of the headphones will flash in red.
Connecting via Bluetooth To connect the product to a Bluetooth device, the product needs to pair (register) with the device. Pairing a Bluetooth device • Read the user manual for the Bluetooth device. • Place the Bluetooth device within 1 m (3.3') of the product to perform pairing correctly.
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.
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.
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. • When worn on the ear while slightly bending the 3D loop support included with the headphones, the fit is stable.
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.
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 ring tone will be heard through the headphones. •...
Using the product Auto power off function The product automatically turns off after 5 minutes of not being connected to a device. Reset function If the product does not work, or other malfunctions occur, place the headphones in the charging case while referring to "Charging the battery" (p.8) for information on inserting the USB charging cable to provide power, and then do a reset.
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 Quickly flashing Pairing Searching for devices : Gradually lights up) Waiting to be connected Connection Flashing Connecting Battery level Battery level low...
Voice guidance The R (right) headphone plays 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 Battery level is low Low battery Cleaning Get into the habit of regularly cleaning the product to ensure that it will last for a long time.
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.
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. •...
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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.
Specifications Headphones Type Dynamic Driver 10 mm Sensitivity 110 dB/mW Frequency response 5 to 40,000 Hz Impedance 16 ohms Microphone Type MEMS type Polar pattern Omnidirectional Sensitivity -40 dB (1 V/Pa, at 1 kHz) Frequency response 50 to 4,000 Hz Communication specifications Communication system Bluetooth version 5.0...
Specifications Other Power supply Headphones: DC 3.7 V lithium ion battery/ Charging case: DC 3.7 V lithium polymer battery Charging time Headphones: Approx. 2 hours* / Charging case: Approx. 3.5 hours* Operating time Continuous transmission time (music playback): Max. approx. 15 hours* (headphones), Max.
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Check Headphones Charging case Eartips (XS, S, M, L) Silicone ring USB charging cable Quick start guide (this leaflet) Caution guide ATH-CKS5TW...
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Charge Charging case Headphones USB Type-C USB Type-A White...
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Pairing ( L ) ( R ) White Flashing quickly 12:00 100% ( R ) Bluetooth ( R ) ATH-CKS5TW White ( L ) Flashing slowly ( L )
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Support Music / Phone TIMES TIMES For more information on how To more conveniently use the TIMES TIMES TIMES TIMES to use this product and product, use our app for troubleshoot any problems, smartphones. refer to the user manual on the Audio-Technica website.
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ATH-CKS5TW Caution Guide / Wireless Headphones Guide de mise en garde / Écouteurs sans fil Sicherheitsanweisungen / Kabellose Kopfhörer Guida precauzionale / Cuffie wireless Guía de precauciones / Auriculares inalámbricos Guia de precauções de segurança / Fones de Ouvido Sem Fio Руководство...
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Communication specifications/Spécifications pour la communication/Kommunikationsdaten/ Specifiche di comunicazione/Especificaciones de comunicación/Especificações de comunicação/ Технические характеристики связи/ Maximum RF output/Sortie RF maximum/Maximale HF-Ausgangsleistung/Uscita RF massima/ Salida de RF máxima/ Potência de saída de RF máxima/Максимальная выходная мощность радиочастот/ 10 mW EIRP Frequency band/Bande de fréquence/Frequenzband/Banda di frequenza/Banda de frecuencia/ 2.402 GHz - 2.480 GHz Banda de frequências/Диапазон...
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