VAKOSS TC-B439K FM transmitter Bluetooth USB

Name: FM transmitter VAKOSS TC-B439K Bluetooth TC-B439K
Brand: VAKOSS
SKU: 10650489
Price: 11.49 EUR
Availability: InStock

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FM transmitter VAKOSS TC-B439K Bluetooth USB, 87.5–108 MHz, microSD/USB playback, 5V/3.1A output, RGB display

VAKOSS TC-B439K FM transmitter Bluetooth USB Photo 1

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Short description

VAKOSS TC-B439K is an FM transmitter for cars with Bluetooth and USB interfaces, transmitting across 87.5–108 MHz. Supports MP3/WAV playback from USB flash drives or microSD (up to 32 GB), has hands-free calling via Bluetooth, LED display with RGB backlight, volume buttons and two USB ports (5 V, 3.1 A output). Powered from 12–24 V DC, compact and lightweight for in‑car audio streaming and charging.

Available at price 11.49 €: 16 pcs.

Total available for order: 32 pcs.

Warranty: 2 Years

SKU: 10650489

Manufacturer: VAKOSS

Learn more

Deliver the order:

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to the Customer Service Center at Kengaraga 2b, Riga

Thursday {{selectedOffer.officeDeliveryString}}

free

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Customer service center

2b. Kengaraga str., Riga, Latvia, LV-1063

Thursday {{selectedOffer.officeDeliveryString}}

free

Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!

25.06.2026 {{selectedOffer.courierDeliveryString}}

From 4.99 € (Weight: 0.03 kg)

Parcel couriers

Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts nodaļa

25.06.2026 {{selectedOffer.parcelStationDeliveryString}}

From 1.99 €

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Payment Methods:

Bank transfer, Bank cards on-line, Apple Pay, Google Pay

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Product information

Description

VAKOSS TC-B439K is an FM transmitter that broadcasts in the 87.5–108 MHz band and provides Bluetooth connectivity, USB and MicroSD media playback, and a clear LED display. The unit is designed for use with 12–24 V DC power sources and delivers a 5 V output for connected devices. Compact and lightweight, the transmitter supports MicroSD cards and USB flash drives up to 32 GB.

Advantages

The Vakoss TC-B439K combines Bluetooth handsfree calling, USB and MicroSD playback, and an easy-to-read LED display in a compact housing. It covers the full FM broadcast range (87.5–108 MHz) and accepts 12–24 V input, making it compatible with most vehicle power systems. The device is lightweight and simple to operate.

Suitable for

Streaming music from a phone via Bluetooth
Playing audio files from USB flash drives (up to 32 GB)
Playing audio from MicroSD cards (up to 32 GB)
Handsfree phone calls in vehicles using Bluetooth

Key specifications

Brand: VAKOSS
Model: TC-B439K
FM band range: 87.5 - 108 MHz
Device interface: Bluetooth / USB
Compatible memory cards: MicroSD (TransFlash), up to 32 GB
USB support: USB flash drive, up to 32 GB
Power input: 12 - 24 V DC
Output: 5 V
Weight: 0.03 kg
Colour: Black
EAN: 4718308125641

How to use

Connect the Vakoss TC-B439K to a 12–24 V DC socket in your vehicle. Select an unused FM frequency on the transmitter within the 87.5–108 MHz range and tune your car radio to the same frequency. Pair your phone with the transmitter via Bluetooth for audio streaming and handsfree calls, or insert a MicroSD card or USB flash drive containing audio files. The LED display shows the selected frequency and playback status.

Usage recommendations

For best reception, choose an FM frequency with minimal local interference. Use MicroSD cards and USB drives formatted in standard FAT/FAT32 and do not exceed 32 GB. Ensure the vehicle power socket provides the specified 12–24 V DC input.

Specifications

Device interface:: Bluetooth/USB
FM band range:: 87.5 - 108
Weight:: 0.03 kg
Compatible memory cards:: MicroSD (TransFlash)
Product colour:: Black

All features

Storage

Compatible memory cards:: MicroSD (TransFlash)
Card reader integrated:: Yes
Maximum memory card size:: 32 GB
Maximum USB flash drive size:: 32 GB

Power

Output voltage:: 5
Output current:: 3.1 A
Power source type:: DC
DC input voltage:: 12 -24

Ports & interfaces

Bluetooth:: Yes
USB 2.0 ports quantity:: 1
Device interface:: Bluetooth/USB
Bluetooth functions:: Handsfree calling

Display

Display:: LED
Built-in display:: Yes

Radio

FM band range:: 87.5 - 108

Technical details

Product colour:: Black
Audio formats supported:: WAV
MP3 playback:: Yes
Volume control:: Buttons
USB direct playback:: Yes
Case colour:: Black
Hands-free calling:: Yes

Weight & dimensions

Weight:: 0.03 kg
Height:: 48 mm
Width:: 83 mm
Depth:: 49 mm

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Warehouse	Stock	Delivery to the store	Store Price
EU2	16	Thursday Best delivery	11.49 € Best price
WH353	16	03.07.2026	15.49 €

11.49 €

Stock: 16

Delivery Date: Thursday Best delivery

Warehouse: EU2

15.49 €

Stock: 16

Delivery Date: 03.07.2026

Warehouse: WH353

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Customer questions

FAQ

How much does the VAKOSS TC-B439K FM transmitter Bluetooth USB cost, and is it available for purchase?

The price is 11.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 32 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Thursday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All VAKOSS products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized VAKOSS service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: device interface, fm band range, weight, compatible memory cards, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

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