Der Kopfhorer DK01 - User Manual

Questions and Answers

T
Teresa JohnsonAug 7, 2025
Why is there no sound from my Der Kopfhorer DK01 Wireless Headphones?
- D
  Destiny HernandezAug 7, 2025
  If you're not getting any sound from your Der Kopfhorer Wireless Headphones, there could be several reasons. First, ensure that the headphones are switched on by pressing the button 4 for about 2 seconds. Check that the volume isn't set to minimum; adjust it using button 3, and also increase the volume on your playback device if needed. Also, your playback device may be muted, so unmute it.
M
markmackAug 14, 2025
What to do if my Der Kopfhorer Wireless Headphones won't turn on?
- H
  hernandezjermaineAug 15, 2025
  If your Der Kopfhorer Wireless Headphones won't switch on, the internal battery might not be charged. Charge the battery. Alternatively, check if the audio cable is connected to the AUX IN socket on the headphones and remove it.
A
Anthony WagnerAug 22, 2025
What to do if sound is only coming from one side of my Der Kopfhorer DK01 Wireless Headphones?
- E
  Eugene HendersonAug 22, 2025
  If sound is only coming from one side of your Der Kopfhorer Wireless Headphones, it could be due to a few reasons. Check the stereo balance control on your playback device and adjust it as needed. Also, ensure that the audio cable is correctly connected to both the AUX IN socket of the headphones and the playback device.
H
harold02Aug 29, 2025
What to do if there is no sound when the audio cable is connected to my Der Kopfhorer Wireless Headphones?
- B
  Brandy KennedyAug 29, 2025
  If you're experiencing no sound when using the audio cable with your Der Kopfhorer Wireless Headphones, ensure that the audio cable is correctly connected to the AUX IN socket 8 of the headphones and to the playback device.

Summary

Notes on Trademarks

Proper Use

Defines the intended consumer use of the headphones for audio playback and calls.

Warnings and Symbols

Safety Precautions

Risk of Hearing Damage

Warns about potential hearing damage from loud music and prolonged use at high volumes.

Risk of Accidents

Highlights risks of impaired perception due to ambient noise and advises against use while driving or operating machinery.

Radio Interface Notes

Provides guidance on device usage in sensitive environments like airplanes and hospitals due to radio waves.

Basic Safety Instructions

Appliance Description

Setting Up

Package Contents and Inspection

Lists all items included in the delivery and advises on checking for damage.

Charging the Internal Battery

Handling and Operation

Powering On and Off

Details the procedure for powering the headphones on and off, including LED feedback.

Wearing the Headphones

Guides on correctly positioning the headphones and adjusting the headband for comfort.

Bluetooth Pairing and Unpairing

Bluetooth Music Playback

ANC Function

Telephone Functions

Outlines the capabilities for making and receiving calls via Bluetooth connection.

Making a Call

Call Management

AUX IN Music Playback

Storing the Headphones

Cleaning Instructions

Offers advice on how to clean the headphones safely and effectively without causing damage.

Storage When Not in Use

Device Disposal

Explains the proper disposal methods for the appliance according to environmental regulations.

Packaging Disposal

Troubleshooting

Technical Details

EU Declaration of Conformity

Importer Information

Identifies the importer company, address, and location.

Der Kopfhorer DK01 Specifications

General

Bluetooth Version	5.0
Charging Time	2 hours
Driver Size	40mm
Frequency Response	20Hz - 20kHz
Impedance	32 ohms
Water Resistance	IPX4
Wireless Range	10 meters
Microphone	Yes

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