USAMS C25 50W 3 Ports Fast Charging Car Charger Digital Display Wireless FM Modulator Transmitter Bluetooth 5.0 FM USB Car Charger Kit


Color: Black

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Take your car charging to a whole new level with USAMS C25 50W 3 Ports Fast Charging Car Charger. It's designed with a digital display, Bluetooth 5.0, and a wireless FM modulator so you can enjoy your favorite tunes on the go. Charge multiple devices faster than ever before and hit the road with USAMS C25!

1. Specification

Brand: USAMS


Name:C25 50W 3 Ports Digital Display Wireless FM Car Charger



Weight:About 45g

Size: 81.6*51.5*40.4mm

Input:DC 12V-24V

USB1 Output:5V⎓2.4A(12W max)

USB2 Output:5V⎓3A 9V⎓2A 12V⎓1.5A(18W max)

Type-C Output:5V⎓3A 9V⎓2.22A 12V⎓1.67A(20W max)

Total Output:50W(Max)

USB1 Compatible USB Disk Capacity:≤64G

Compatible TF Card Capacity:≤64G

BT Version:5.0

BT Connection Distance::≤8m

FM Frequency Range:87.5-108MHZ

FM Transmission Distance:≤8m

Audio Playback Format: WAV/MP3/APE

Compatibility:For digital devices


2. Product Structure

USB1 Output (Normal Charging/ Support USB Disk)   Type-C Output  USB2 Output

LED Screen  LED Indicator  

MIC   Left Button   Multi-function Knob    Right Button   TF Card Slot   Metal Dome

Notes: Pictures for reference only, product please in kind prevail.

Including: Product*1/User Manual*1


3. How to Use

① Connect to power supply

Plug the product into the cigarette lighter port and power on, the LED screen lights up, that means the start up is successful


②Connect to car audio via FM

Adjust the car audio to a blank frequency (no local radio channel);

Long press the multi-function button for 2 seconds, the number on LED flashes, enter FM mode;

Rotate the multi-function button to adjust the FM value of the product to make it consistent with the car audio.

If without any operation after 3 seconds, it will auto exit the FM mode, no need to press the button to confirm.

Notes: After connecting the car audio, LED will display the FM value and voltage alternately.


③ Connect to audio input devices

BT mode: Turn on phone/ tablet’s Bluetooth,search“US-CC143”and click to connect,then can play music;after first connection, it will auto connect to the recently paired device.

USB disk mode: Insert the USB flash drive (≤64G) with audio files into the USB1 port to read the audio files

TF card mode: Insert TF card (≤64G) with audio files into TF card slot to read the audio files



* The product supports 3 play modes: BT mode, USB flash disk (≤64G) mode, TF card (≤64G) mode, double-press themulti-function button to switch between the three modes;


*The default play priority is BT mode, and when switch to USB flash disk/TF card mode, you need to wait a moment for files recognition before playing;

* If there is an incoming call when in TF card/USB flash disk mode, the product will directly switch to Bluetooth mode and ringtone rings, after hanging up the call, it will switch back to the mode before the call.


4. Charging

All three output ports can charge for digital devices such as phone/tablet.

USB2 port supports QC3.0/QC2.0/AFC/FCP/BC1.2DCP protocol;

Type-C port supports PD3.0/PD2.0/QC3.0//QC2.0/AFC/FCP/BC1.2DCP protocol;

Support fast charging two or three devices at the same time.



* To achieve fast charge, it requires fast charging port to use with fast charging cable, and the devices itself should support fast charging.

*The product is only applicable for most cars with cigarette lighter with 12V-24V voltage input, and inapplicable for trucks or excavators which has voltage higher than 24V.


5. Button Operation Instructions

Left Button

Press once to previous song, long press to previous folder


Right Button

Press once to next song, long press to next folder


Multi-function Knob


Double-press to switch mode (Bluetooth/USB disk /TF card mode)


Long press to enter FM mode

In FM mode: rotate counterclockwise to decrease frequency, rotate clockwise to increase frequency


When play music: press once to play/pause music

When call coming: press once to answer/hang up call, doublepress to reject call

When music playing/during call: rotate counterclockwise to decrease volume, rotate clockwise to increase volume


6. Attention (typical situations)

① Avoid rubbing or impacting against hard objects.

② It should beused with DC12V-24 voltage, otherwise may cause device malfunctioned or damaged;

③If unusedfor a long time, please remove the product from the cigarette lighter power supply;

④When using the product, the transmission frequency should be avoided from the radio frequency with strong FM signal, so as not to interfere with the sound quality;

⑤The discharge and heating during charging are normal; it is recommended to unplug the device after fully charged to avoid cyclic charging and damaging device battery.





Shipping & Delivery

Shipping Fee

Standard Method: free shipping to all countries.
Expedited Method: the freight is determined by the weight and size of the packages, shipping destinations and the shipping options.

Shipping Methods

we provides fast, efficient delivery of our parts to customers globally. We offer our clients Expedited shipping with DHL, UPS, FedEx. EMS takes a little longer time for shipping. We Standard Shipping with economical Air Mail shipping like Epacket,USPS,Royal Mail,Singapore Post, HongKong Post, Swiss Post and China Post, etc. 

Order processing time 0-4 Business days.
The total estimated time it takes to receive your order is shown below:

  • You place your order
  • (Processing time)
  • We ship your order
  • (Shipping time)
  • Delivery!
Total Estimated Delivery Time
The total delivery time is calculated from the time your order is placed until the time it is delivered to you. Total delivery time is broken down into processing time and shipping time.
Processing time: Order processing time 0-4 Business days.The time it takes to prepare your item(s) to ship from our warehouse. This includes preparing your items, performing quality checks, and packing for shipment.
Shipping time: The time for your item(s) to travel from our warehouse to your destination.
Shipping from Chinese Warehouse:
Standard Shipping Area time
United Kingdom, United States, Canada, Netherlands, Spain, Germany, France, Japan, Republic of Korea 7-15 business days

Australia ,New Zealand, Singapore

7-15 business days
Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 7-20 business days
Brazil, Mexico 15-35 business days
Other countries 7-25 business days
Expedited Shipping  3-7business days to All countries except those listed below 3-7 business days
Brazil 10-20 business days


(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.
(2) Business days do not include Saturday/Sunday and any public holidays.
(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.
(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.
(5) Expedited shipping can not be used for PO Box addresses.
(6) The recipient will be responsible for any import taxes, customs duties, and fees associated with the recipient's country/territory. These costs vary depending on local law.
(7) We are not responsible for non-delivery caused by that client don’t provide enough information when making order.

(8) We are not responsible for the loss of the package due to incorrectly filled in the delivery address.

Tracking website:

Singapore Post, HongKong Post, Swiss Post and China Post are economical ways for shipping, but take longer time. The following link will guide you to track your packages

DHL has customs clearance advantages in Europe and the Middle East. To track your package, please visit

UPS has customs clearance advantages in North America. To track your package, please visit

FedEx has customs clearance advantages in America. To track your package, please visit

EMS is a special postal service for all countries, it enjoys the priority of customs clearance in the national postal. To track your package, please visit


Customs Clearance & Import Duty does not add any taxes, VAT, or other hidden charges. The order total you see on the checkout page (i.e. goods subtotal + shipping cost) is what you pay to us. However, for international shipment, the recipient is responsible for all the customs charges by his/her country. Sometimes goods under a certain value, or in certain categories, do not incur taxes.

Import duties and VAT may or may not be levied and will only be determined when the shipment goes through Customs in your country. Please check your country's import policy to understand your liability.

All duties and taxes levied are your (the buyers) responsibility and shall be paid directly to the buyer's government or to the courier company when the goods are delivered. shall not be responsible for any shipping or customs delay since this is outside our control.


Customs Detention

But if for any reason, the sale of goods detained by customs, we promise to:

  1.  If your goods are being destroyed by the customs, both you(buyer) and I(seller) bear half the loss.

  2. If the goods are returned to us from the customs due to some factors, we will confirm with you how to deal with the problem. We can rearrange shipping for you or make the refund to your Paypal account.



Please note that sometimes shipping to remote destinations requires more time and extra fees due to international logistic policies. This additional delivery fee is required by logistic companies and must be borne by the receiver.


FAQ about Shipping & Delivery

Q: How to estimate the shipping fee?

A:When you add all the items you need to the shopping cart, then on the shopping cart page you can make an estimate of the shipping fee. After entering the country and the zip code where you want the goods to be shipped, shipping costs are calculated automatically based on your location as well as package weight and dimensions.   

Q: About DHL Remote Fee

A: We will charge extra $30 if your shipping address is remote by DHL. You can visit the link to check if you are in remote area or not.

Q: Do you provide free shipping if I place a big order?

A: We are afraid not. We’d like to provide free shipping for you if we can, for we regard you as our God and always spare no effort to seek profit for you. But the shipping fee is not included in such a reasonable price we offer. It is charged by transportation companies. We are so sorry that we cannot change anything for you at this aspect.

Q: Do you deliver to PO Box addresses?

A: At this time our shipping partners are unable to ship to PO Boxes or APO/FPO military addresses. If you provide a PO Box or APO/FPO military address, it will delay the shipment of your items.

Q: How do I know where my package has reached?

A: After we ship out your order, we will send you a tracking number by email, so you can check out the shipping status of your order.

Q: Can I change my address?

A: We can help you change the address if your order has not been shipped out. But we are so sorry to tell you that there will be no use when the order is already on the way to the destination. In this case you may have to contact with the local logistics company and seek the solution.

Wholesale Inquiry

1. Price

The wholesale price will be much better than the retail selling. And it is various as the quantity, different product, the weight, etc. So for detailed information, please contact our customer service on

Wechat ID:    usams_global


2. Shipping

1) Preparing time

Orders are shipped usually within 3 business days after the payment is confirmed and cleared
2) Shipping terms

We ship to the worldwide by Airmail/DHL/UPS/FedEx/EMS.

2. Import duty

1) Please note: We, are not responsible for any import duties and custom cost for the goods passing your country custom.

2)Every country custom have different requirement for import, some countries are stick and special, have limited for the declares  value, description, shipping method; please check the import duty rule of your country before placing order. You can send us the declaration instructions if have special request when packing order.