ATH-CKR300BT 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.
Safety precautions Cautions for rechargeable battery The product is equipped with a rechargeable battery (lithium polymer 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.
Notes on use •• 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. •• 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. •• When you are not using the USB charging cable, disconnect it from the product.
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 disruptions, avoid placing your body or other obstacles between the product’s antenna and the Bluetooth device.
Part names and functions Left/right (L/R) indicator Housing Bushing Power supply/Control button Use to turn the power supply ON/OFF, play/ pause music, and answer phone calls. The L (left) bushing has a protrusion for distinguishing between the left and right. Volume buttons Adjust the volume using + and -. Microphone (for calls) Indicator lamp Displays the operating status and battery level of the product. Battery jack Use to connect the included USB charging cable and charge the product.
Charging the battery • Fully charge the battery when using for the first time. • When the rechargeable battery is running low, the product will emit a low battery level warning sound through the headphones, and the indicator lamp will flash in red. In this case, charge the battery. • It takes about 2 hours maximum to charge the battery fully. (This time may vary depending on usage conditions.) • Charge the product in a well-ventilated place (10 to 35 °C) away from direct sunlight.
Connecting via Bluetooth wireless technology 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. • To confirm the progress of the pairing process, wear the product while performing this procedure and listen for the confirmation tone. 1.
Connecting via Bluetooth wireless technology About multipoint The product supports multipoint, which allows two Bluetooth devices to be connected at the same time. While you are listening to music with one device, you can answer a call that comes in from the other device. It is convenient if you have two smartphones, for example. • Audio-Technica does not guarantee the operation of all combinations of Bluetooth devices. Connecting using multipoint 1. Pair with the first Bluetooth device. 2.
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 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. • Use your Bluetooth device to start playback, referring to the device’s user manual as necessary. Power supply/Control button Press Plays or pauses music.
Using the product Talking on the phone • If your Bluetooth device supports telephone features, you can use the product to talk on the phone. • When your Bluetooth device receives a phone call, the product sounds a ring tone. • If a call is received while you are listening to music, music playback is paused. When you finish the call, music playback resumes. *1 When Receiving a call Talking on a call Function Operation Press the power supply/control button. Answers the call.
Indicator lamp display The indicator lamp of the product indicates the product's status as explained below.
Cleaning Get into the habit of regularly cleaning the product to ensure that it will last for a long time. Do not use alcohol, paint thinners, or other solvents for cleaning purposes. • To clean, wipe with a dry cloth. Eartip • Immediately wipe off any moisture such as sweat from operating areas such as the attachment part buttons. Failure to do so may result in a malfunction due to corrosion.
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. • Set the profiles for the Bluetooth device. For procedures on how to set profiles, refer to the Bluetooth device’s user manual. • Remove the pairing information for the Bluetooth device then pair the product with this device again.
Specifications Headphones Type Dynamic Driver 9.8 mm Sensitivity 102 dB/mW Frequency response 5 to 30,000 Hz Impedance 16 Ω Microphone Type MEMS type Polar pattern Omnidirectional Sensitivity -42 dB (1 V/Pa, at 1 kHz) Frequency response 50 to 4,000 Hz Communication specifications Communication system Bluetooth version 5.0 Maximum RF output 10 mW EIRP Maximum communication range Line of sight - approx. 10 m (33') Frequency band 2.402 GHz to 2.
