Bluetooth Wireless Headphones With MICBluetooth Wireless Headphones With MICBluetooth Wireless Headphones With MICBluetooth Wireless Headphones With MICBluetooth Wireless Headphones With MICBluetooth Wireless Headphones With MIC

Bluetooth Wireless Headphones With MIC

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Product Description

8033375549932794

Bluetooth Headphone Wireless With MIC Sound Intone Support TF Card FM Radio Stereo Bass Headset For Computer iPhone Xiaomi

 

 

 

Product information

MODEL:KDK-57;
Wering method:Wearing style;
USB Charging:DC5VIN;
FM frequency:78.5-108MHz;
Bluetooth frequency:2.401-2.480GHz;
Bluetooth distance:10m;
Frequency response:50Hz-20KHz;
Output Power:35mW;
Stand-by Time:15h;
Charging Time:1h;
USE Time:5h;
Product weight:163g;
Product packaging volume:14cm*21cm*8cm;

Instructions

POWER key:long press 3 seconds to turn-on.
PLAY key:1.Bluetooth call status,short press answer/hand up the phone,long press  Refused to listen.Press twice for the last time to dial the number of replay;
2.Bluetooth music status,short press play or pause;
3.TF card play status,short press play or pause;
4.FM status,short press Automatically search for radio.
NEXT key:1.Bluetooth status,short press next song,long press Volume plus;
2.MP3 status,short press next song,long press volume plus;
3.FM status,short press next frequency,long press volume plus.
PREVIOUS key:1.Bluetooth status,short press previous song,long press Volume down;
2.MP3 status,short press previous song,long press volume down;
3.FM status,short press previous frequency,long press volume down.
MODE key:short press Mode conversion,Bluetooth/MP3/FM.

LED light

1.Bluetooth status:Pairing status Blue light quick flashing,Pairing success blue light slow flashing;
2.MP3 status:Play blue light slow flashing;
3.FM status:Listen to radio the blue light always bright.search radio the blue light quick flashing;
4.Charge state:Charging red LED always bright,finished charging the red LED off.

Bluetooth use instructions

1.Short press POWER key 3 seconds to turn-on.
2.Blue light quick flashing,Bluetooth into pairing status.
3.Link the product bluetooth,bluetooth name is P15.
4.Bluetooth link success,the blue light slow flashing.
5.Open the mobile phone music player  listen to music.

MP3 use instructions

1.Short press POWER key 3 seconds to turn-on.
2.Insert TF card into MP3 song,play status or short press MODE key link MP3 play status.
3.Short press PLAY key,MP3 play/pause.
4.Short press NEXT or PREVIOUS key,MP3 next song/previous song.
5.Long press NEXT or PREVIOUS key,MP3 volume up/volume down.

FM use instructions

1.Short press POWER key 3 seconds to turn-on.
2.Short press MODE key link to FM mode.
3.FM status short press PLAY key Automatically search for radio.
4.Short press NEXT or PREVIOUS Select be searched radio.
5.Long press NEXT or PREVIOUS to volume control.

LINE external audio input use instructions

1.Turn-on earphone and insert audio wire status,link to AUX LINE IN mode,so the earphone key
function can not be used.
2.Support Mobile phone/ipod/MP4/MP3/CD/Notebooks and so on,external audio input.

Packing list

 

  • 1 piece folding headset bluetooth earphone;
  • A USB data cable;
  • A AUX-in audio cable;
  • A description;

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Item Specifics

Brand Name: 
 KEFU
Communication: 
 Wireless
Connectors: 
 3.5mm
Wireless Type: 
 Bluetooth
Vocalism Principle: 
 Hybrid technology
Style: 
 Headphone
Control Button: 
 Yes
Volume Control: 
 Yes
Active Noise-Cancellation: 
 Yes
Function: 
 Bluetooth,Noise Cancelling,Microphone,For Internet Bar,Monitor Headphone,for Video Game,Common Headphone,For Routine Office Work,Wireless Headphone,For Mobile Phone,Portable,For iPod,HiFi Headphone,Sport,Voice control,Supports music
Plug Type: 
 Wireless
Sensitivity: 
 108±3dB
Frequency Response Range: 
 50-20000Hz
Line Length: 
 None
Resistance: 
 32Ω
Waterproof: 
 No
Model Number: 
 KDK-57
Support Apt-x: 
 Yes
Support Memory Card: 
 Yes
Support APP: 
 Yes
Time to market: 
 2017
Is wireless: 
 Yes
With Microphone: 
 Yes
USE: 
 Portable Media Player
Function: 
 Noise Cancelling
PLUG: 
 AUX LINE

SHIPPING AND DELIVERY

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

REFUNDS & RETURNS POLICY

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of BlueTech4U (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of www.bluetech4u.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.