EarFun K4 Noise Cancelling Wireless Headphones User Guide

EarFun K4 Noise Cancelling Wireless Headphones

Package Content

Overview

Power On / Off

1. Power On
   • Push the “ ” button down, the blue light will turn on and then go out. You can hear the voice prompt “power on”.
2. Power Off
   • Push the “ ” button up, the red light will turn on and then go out. You can hear the voice prompt “power off ”.

How to Pair

Step 1

Step 2

1. Push the “ ” button down, the blue light will turn on and go out, then the red and blue lights flash alternately to enter the pairing mode. You will hear a voice prompt “Pairing”.
2. Enable the wireless connection on your cellphone and find “EarFun K4 NC” to connect. Once paired, you will hear “Connect.

Notes

1. If the headphone exceeds the 20-meter distance from the device, it will automatically disconnect.
2. The headphone will default to reconnect to the last connected device.

Active Noise Cancelling

1. Active Noise Cancelling On
   • Press the “NC” button once to activate the active noise-cancelling function. You can hear the voice prompt “Noise Cancelling On”.
2. Active Noise Cancelling Off
   • Press the “NC” button once to turn off the active noise-cancelling function. You can hear the voice prompt “Normal”.

Volume Control

Answer / Hang up/ Reject a Call

Reset

With your headphones powered on, press and hold the “+” and “” buttons simultaneously for 5 seconds, until the red and blue lights flash 3 times, and the headphones have entered pairing mode again.

Charging Indications

1. In charging
   • Red light stays on
2. Full Charge
   • Blue light stays on ( charging for 3 hours)

Toggle volume limit operation

• Simultaneously press “+” and “-” buttons once to switch
• Volume-limited modes:
  • Normal Mode (74dB),
  • Learning Mode (85dB)
  • Travel Mode (94dB)

Indicator Light & Voice Indication

AUX-IN Mode

1. When the headphones’ battery runs out, you can connect the headphones to a music device using a 3.5mm audio cable to continue playback.
2. When using an AUX cable, the headphones automatically power off.
3. To adjust the volume, please use the volume controls on your connected device.

FCC Statement

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions. This device may not cause harmful interference. This device must accept any interference received, including interference that may cause undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there’s no guarantee that interference will not occur in a particular installation.

• Consult the dealer or an experienced radio/TV technician for help.
• Increase the separation between the equipment and the receiver
• Reorient or relocate the receiving antenna.

Radiation Exposure Statement

This equipment complies with FCC radiation exposure requirements. The device can be used in portable exposure conditions without RF restriction. This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions

• This device may not cause interference, and
• This device must accept any interference, including interference that may cause undesired operation of the device.”

EU Declaration of Conformity

Earfun Technology (HK) Limited hereby declares that this equipment complies with the essential requirements and other relevant provisions of Directive 2014/53/EU and RoHS 2011/65/EU Directive.

UK Declaration of Conformity

Hereby, [Earfun Technology (HK) Limited] declares that the radio equipment type [K2] complies with UK Radio Equipment Regulations (SI 2017/1206).

ISED Compliance Statements

This device contains licence-exempt transmitters/receivers (s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions:

1. This device may not cause interference.
2. This device must accept any interference, including interference that may cause undesired operation of the device.

This equipment complies with IC RSS-102 radiation exposure limits set forth for an uncontrolled environment.

Customer Service

• Website: www.myearfun.com
• Email: service@myearfun.com
• Ph: +91-99997-92449