KORSEED 3.6A Quick USB Charger Bluetooth Car Kit FM Transmitter modulator Audio Music Mp3 Player Phone Wireless Handsfree Carkit

96% of buyers enjoyed this product!
Color Name:
View cart→


If you have any questions about the operation of the machine, please contact us by email, because each product is operated differently, we will solve it for you, thank you

User Tips:

If you want to use Bluetooth hands-free calling or listening to music, you need to turn the car radio frequency to same as MP3 bluetooth

1.It is a normal phenomenon that FM product will have some noise because of the interference of the local radio signal.Find a vacant or non-interfered frequency and sync KORSEED device to that frequency for minimized static noise.

2.To achieve best audio quality,please set the volume on your phone or the device to maximum and then adjust the volume for your car stereo;you are not suggested to adjust volume of your car speaker to maximum (this will bring lot nois
3.Suggest that RAM less than 32GB. larger than 32GB which may cause the abnormal reading
4.Our products support the use of 12-24V normal battery in the car/truck,we recommend that you do not use the product in car/truck that modified the battery.This may cause burned because of instantaneous high current
5.To protect this device,we recommend to remove it from cigarette outlet after use,to avoid instant high start voltage damage the device.

6.If you want to charge the phone and listen to the car radio at the same time, please note that your radio frequency and our device’s frequency do not get too close.

Operation Instructions:

4.1.Power on

(1)Plug the FMT into the car cigarette lighter hole to power on

(2)Car battery voltage display function starts working, the display will shows : car battery voltage normal /abnormal.

(3)Then FMT will display BT , with a voice : The wireless device is ready to pair, and display will switch from BT to frequency alternately until you connect with wireless or insert USB.

(4)To use FMT music playing function, turn on the car FM radio , choose a clean channel, make sure the car radio channel is clean to avoid interference by local radio signal.

(5)Adjust the FM transmitting frequency to match the car radio FM channel.

6). Insert the USB , FMT will start to play automatically.

4.2.Voltage detection function

Long press key to enter the state of frequency adjustment, and the display screen will frequency flashes. Long press key to display the state of battery voltage and the voice broadcast.

Note: For 12V battery car, the voltage is lower than 11.6V or higher than 14.8V, please check the battery in time; For 24V battery car, the voltage is lower than 23.2V or higher than 27.2V, please check the battery in time.

4.3.Wireless connection

For the first time, it needs to manually match connection with the mobile phone wireless. The matching step as follows: Please insert the car charger into the cigarette lighter interface of the car. After the machine is powered up, the screen bt / frequency flashes alternately, then open your wireless on mobile phone and search the name of the car wireless device “BT28”, and connect. After the match is successfully connected, the car’s wireless will be automatically connected with the matched cellphone next time, without manual connection again. After the car MP3 and wireless devices connected, then you can play the audio file in wireless devices.

4.4.Hands Free Function Guiding

After connect your smart phone to this BT FMT device:

Answer the call : short press to answer incoming call.

Reject the call : long press to hand up the incoming call

Hand up: on calling or dialing state ,short press to hand up

Recall : short and quick press twice to recall the number which call in/out at last time.

4.5.Adjust the frequency and Volume

The device supports 206 transmitting frequencies: 87.5MHZ-108.0MHZ, long press key 3 to 5 seconds, this moment the screen frequency flashes, short press the or key to adjust the frequency. long press the or key to adjust the volume.

4.6.Play U Disk Music

Insert the U disk into the USB2 interface, and the device will automatically recognize the music format of MP3 / WMA / WAV / APE / FLAC in the U disk. Then choose the previous song and the next song by pressing 】【 , long press choose U disk folder to play.

4.7. Play Mobile Phone Music

After wireless connection, you can play mobile music, wireless transmission to the car speaker. The music can be controlled by the operation of the phone, and also the music play / pause as well as the previous / next song selection can be controlled by this device.

4.8.Switch Music Sources

This device can play U disk music, can also play wireless device music, if they both exist, by long press key to switch between the two.

4.9.Car charger Function

(1)USB 3.6A port fast charge interface can provide the highest charging current of 5V/3.6 max , for multimedia devices (phones, tablets, etc.)

(2)1A USB data interface can also be used as a charging interface in the use of a dedicated charging cable (without data transfer function).

Usage of Note:

(1)Don’t let the product fall for avoiding surface and body damage.

(2)3.6A USB charger port,1A USB charger port &USB reading,Intelligent output voltage and current can be provided.Don’t use high-power electrical equipment or power inverter in order to avoide damage.

(3)Compatible with voltage between 12-24V,please do not try other over-range vehicles.

(4)The machine FM transmitter built-in antenna,while also should try to avoid using strong local radio frequency signals to get better sound quality.

(5)please cut the power off when not into use.For normal use, please insert into after auto ignition,it can avoid. damage by too high ignition voltage.


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, you can request a refund or reshipment for ordered products if:

  • 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.

We do not issue the refund if:

  • 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 . (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of https://easytoolssupplies.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.

Shopping cart