Bietrun KMKF02 Wireless Karaoke Microphone User Manual

KMKF02
KMKF02 -2
Wireless Karaoke Microphone
User Manual

Support Email: Amazon@bietrun.com

Preface

Thank you for purchasing our product. Please read the instruction carefully before using the product.
Please keep this Manual properly for future reference.
Please read this Manual carefully before use to enjoy optimum performance.
Please follow the safety instruction on the next page.
The pictures in the manual are for reference only, which may be different from the actual product.

Safety Warning

The lightning sign is intended to alert you to  be careful of electric leakage.| The exclamation mark indicates the product shall be operated
according to the manual.
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Warning

• To prevent electric shock, do not expose this product to rain or moisture. Do not remove the cover, the internal voltage may cause damage to  your body. In the event of malfunction, please contact the maintenance service agent.
• Do not keep the product in humid or dusty place.
• Keep away from high temperature.
• Do not disassemble the product.
• Do not expose the product in dusty air.

Environment Friendly Use Period
The environment friendly use period for this electronic information product is 10 years, during which no pollution to the environment or serious  damage to health or property will be caused by the leakage of harmful substances, provided it’s operated in accordance with this manual.

Operation buttons

Structural Representation

Function of the button

2.The microphone is turned on, click to turn on/off the LED light.
2| Mode| 1.When the microphone is turned on, click to switch among line in, TF card and bluetooth(Bluetooth Name: Bietrun) modes in tum(TF card or Micro USB to 3.5mm cable should be inserted in,
otherwise default Bluetooth mode);
2.The microphone is turned on, press and hold to enter the magic sound mode, then click to switch 4 magic sound after entering the magic sound mode, press and hold to exit magic sound mode.
3| Previous song| Click for the previous song.
4| Play/pause| 1.Click to switch between pause/play;
2.When the microphone is turned on, press and hold to switch the original vocal/music sound.
5| Next song| Click for the next song.
6| Mic volume adjustment| Adjust the microphone volume.
7| Echo adjustment| Adjust the microphone echo effect.
8| Music volume adjustment| Adjust the volume of the music.
9| Charging indicator| It is red when charging, indicator light is off when fully charged.
10| Bluetooth indicator| Blinks when not connected; always on when connected.

Product features

Structural Representation

Function description

2.Wired audio input: independent audio function
3.Wired audio recording
2| TF card slot| Support TF card (Not included) with MP3 format max 64GB.
3| AUX interface| Monitor the original vocal and music with 3.5mm earphone(Not included).
4| Micro USB to
3.5mm Cable| Recording:
1.Press and hold the power button to turn on;
2.Connect the cable’s one side to microphone’s DC5V interface, another sideto your phone/PC;
3.Open the recording platform on the phone/PC;
4.Play the music and sing song, then save it.

Common problems

1. The microphone cannot be turned on:
   -Twist and remove the cover to check if the battery is installed in the mic and the polarity is correct;
   -Please fully charge, then press and hold power button to turn on.
2. There is noise when using the device:
   -There may be noise when low power, please charge it fully, then use it;
   -If using Bluetooth, please shorten the distance between the Bluetooth device and the mic as much as possible;
   -If using a wired connection, the two plugs of the wire must be inserted in place, and do not shake the wire violently when using.
3. When using the device to play music, there is no original vocal:
   -Press and hold the play/pause button to switch to the original vocal;
   -Check whether the singing APP has turned on the original vocal muting mode;
   -Click Mic “+” button to increase microphone volume;
   -Click Music “-” button to decrease music volume.
4. Low microphone sound:
   -Click the Mic “+” button to increase the microphone volume.
5. Microphone without echo:
   -Click the Echo “+” button to increase the echo effect.
6. Microphone howling:
   -When the microphone is turned on, make sure that there are no obstacles near the microphone.
7. The microphone’s Bluetooth name cannot be searched:
   -Check if there is a TF card inserted, if there is, please unplug it or click the mode button to switch to Bluetooth mode, then research for the  Bluetooth name: Bietrun.
8. No sound or low sound when playing music:
   -Click Music “+” button to increase the Music volume, M
   -Increase your phone’s volume. S
9. Cannot read TF card:
   -Ensure that the TF card is intact and there are MP3 files in it; H
   -Ensure that the TF card does not exceed 64G. X
10. Unable to charge:
    -Change another well plug and USB charging cable to charge the microphone.
11. There is noise in the headphone output:
    -Make sure the headphone plug is TRS (3 sections) instead of TRRS (4 sections).

Product specification

independent audio)
Charging interface: miniUSB| Output sensitivity: 400mV
TF interface: standard TF interface| Separation: a90dB
Output power: 5W| Signal to noise ratio: a80dB
AUX interface: 3.5mm audio output| Frequency response range: 100Hz-10KHz
Bluetooth version: 5.0| Bluetooth Transport Protocol: A2DP

Manufacturer:
SHENZHEN LONGXIANG INTELLIGENT TECHNOLOGY CO, LTD.
Address: FLOOR 4, BUILDING D, FUXINLIN INDUSTRIAL AREA,
HANGCHENG INDUSTRIAL ZONE FUHUA COMMUNITY
XIXIANG STREET, BAOAN DISTRICT SHENZHEN
GUANGDONG CHINA

FCC Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. 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 is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. RF Exposure Information

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without  restriction.

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