Jkr Casque Audio Wireless Blutooth HeadphonesJkr Casque Audio Wireless Blutooth HeadphonesJkr Casque Audio Wireless Blutooth HeadphonesJkr Casque Audio Wireless Blutooth HeadphonesJkr Casque Audio Wireless Blutooth HeadphonesJkr Casque Audio Wireless Blutooth Headphones

Jkr Casque Audio Wireless Blutooth Headphones

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21-28 Days

3994 in stock.
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Product Description


Hifi Stereo Casque Audio Auricular Cordless Wireless Blutooth Headphones Bluetooth Earphone For Phone Big Headset Head Sluchatka

* 100% brand new !
* Wireless bluetooth headset, compatible with Bluetooth enabled devices, such as for 
iPhone, iPad, HTC, Lenovo, Samsung, tablet PC, etc.
* Stereo sound effect, good choice for listening music, watching movie, answering 
phone calls, etc.
* High precision 40mm magnetic neodymium driver, bring you vivid sound field, sound 
* Multifunctional keys allow you to power on/off, answer/hang up/reject call, pause 
and play, vol +/-, next/previous track.
* 3-in-1 design, supplied with a 3.5mm cable that you can use it connect the headphone 
to devices without switching on, just as a common headset.
* Support TF card playing, it can read local audio files.
* Built FM module(need USB cable as antenna), you can search and lock channels 
* Up to 8 hours playing time and standby time 250 hours.
* Powered by the 250mA lithium battery (can be charged via USB).
* Earmuffs used with skin-friendly leather material, and super soft over-ear pads, 
more comfortable for long time wear. 
* Good quality and fashion appearance; adjustable length hinges.
Product Name: Wireless Bluetooth Headphones
Bluetooth standards: V4.2

Bluetooth support file: MP3/WMA/WAV/SBC  
Operation distance: 8-10m
Driver diameter: 40mm
Impedance: 32 ohm
Signal to noise ratio: 90 dB
Frequency response: 20HZ-20,000HZ
FM frequency: 87.0~108MHz
Battery: 3.7V, 250mAh lithium-ion battery
Charging time: Approx. 2~3 hours
Working time: Approx. 5 hours
Standby time: 250 hours
Plug type: 3.5mm stereo
Color: As the pictures shown
3.5mm Audio cable length: Approx. 128cm / 4.21ft
USB cable length: Approx. 70cm / 2.3ft
How To Connect
In off status, press the play button for seconds until the LED is blue, it enters pairing status, the LED will flash quickly.
1. Active your Bluetooth on your mobile phone.
2. Scan and search for “JKR-211B” model.
3. Just click it and choose “Pair”, you will hear a voice “dingdong” & blue LED will stay, pairing success.
If you are a PC fan, you can explore the smart device yourself; otherwise, please turn to the user manual for more instructions!
We will test some of our PC devices for function verification, so some original package will be opened, please understand! 
Package List
1 * Bluetooth Headphone
1 * 3.5MM Audio cable 
1 * USB Charging Cable




Item Specifics

Brand Name: 
 For Mobile Phone,For Internet Bar,Common Headphone,HiFi Headphone
Support APP: 
Line Length: 
Active Noise-Cancellation: 
Support Apt-x: 
Model Number: 
 JKR-211B JKR 211B
Vocalism Principle: 
Support Memory Card: 
Is wireless: 
Plug Type: 
Frequency Response Range: 
Volume Control: 
Control Button: 
With Microphone: 
Wireless Type: 
 Headphones with Microphone
 Headphone for Smartphones
 Headphone for Computer
 Headphones high quality
 Best headphone wireless
 Handsfree Bluetooth
 Headset Player
 Headset usb


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.


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.


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.


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.