FM Transmitter

Pocket-sized Bluetooth integration for vintage car stereos with dual charging ports.

Full manufacturer title

LENCENT FM Transmitter, Bluetooth FM Transmitter Wireless Radio Adapter Car Blue-12W

Typical price

$15

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LENCENT FM Transmitter, Bluetooth FM Transmitter Wireless Radio Adapter Car Blue-12W image 1

Ravvy verdict

89.8 / 100

A budget-friendly essential for older vehicles that successfully adds wireless connectivity, provided you can find an empty radio frequency to minimize background hiss.

Best for: Owners of older cars seeking a cheap way to add Bluetooth and hands-free calling.
Buy it if: You want supports lossless audio formats like FLAC and APE.
Skip it if: You are audiophiles in dense urban areas with crowded FM airwaves or drivers needing fast-charge speeds.
Best alternative: Syncwire Bluetooth 5.4 Car Adapter 48W FM Transmitter for Hands Free Calls Black 48W (owners of older cars without built-in Bluetooth who need fast device charging)

How it scores on what matters

Setup Ease96.0
Audio Versatility92.0
Safety Features89.0
Signal Stability84.5
Charging Speed75.0

Ravvy factor scores, 0 to 100, derived from specs, owner reviews and category norms.

What it is

The LENCENT T25 FM Transmitter is a compact bridge between your smartphone and an older vehicle audio system. By broadcasting a local FM signal, it allows for wireless music streaming and hands-free calls without the need for an expensive head unit upgrade. It stands out for its broad file support, handling high-fidelity formats like FLAC and APE via microSD or USB, which is a rare find at this price point. The inclusion of CVC noise suppression helps filter out the hum and static common in FM modulation. Beyond audio, this device acts as a functional dashboard utility. It features a built-in voltage meter that flashes your battery status upon startup, potentially saving you from a dead battery surprise. The dual USB ports provide simultaneous charging for two devices, though the 12W output is better suited for maintaining a charge during navigation rather than rapid power delivery. The blue ambient ring light adds a subtle modern aesthetic that makes the ports easy to locate during nighttime driving.

Ravvy AI insight

While the 4.5 rating is impressive across 80,000 reviews, users should note that audio quality is heavily dependent on regional FM congestion. To get the best sound, always look for the longest stretch of 'white noise' on your dial and match the device to that exact frequency. The voltage detection is a standout safety feature that provides more real-world value than the Bluetooth connection itself for high-mileage cars.

Generated from owner feedback, product specs, pricing, and retailer data. Last updated Aug 24, 2026.

What owners praise

Supports lossless audio formats like FLAC and APE
Real-time car battery voltage monitoring
Integrated CVC noise and wind suppression
Dual USB charging ports for multi-device use
Compact design does not obstruct gear shifts
Large, easy-to-read LED frequency display

What to know first

Charging speed is limited to standard 2.4A max
FM interference is inevitable in major cities
Plastic build feels lightweight

Specifications

UPC: 613310828372
GTIN: 613310828372
Brand: LENCENT
Color: Blue-12W
Voltage: 12 volts
Material: Plastic
Model Name: T25
Unit Count: 1 Count
Audio Input: Bluetooth, USB, microSD card
Item Weight: 37.3 g
Screen Size: 4.5 centimeters
Battery Type: Lithium-Ion
Control Type: Direct
Manufacturer: LENCENT
Power Source: Corded Electric
Mounting Type: Dashboard Mount
Control Method: Touch
Outer Material: Plastic
Controller Type: Touch Control
Number of Ports: 2
Special Feature: Hands-Free Calls, Monitor the Voltage of the Vehicle, Noise Cancellation, Support Siri, Google Voice Assistant, Support USB Flash Drives, Dual USB Ports See more
Audio Output Mode: Stereo
Audio Output Type: Bluetooth, FM radio
Installation Type: Plug In
AntennaDescription: The antenna is designed for clear and stable FM transmission.
Compatible Devices: Smartphone, Car Stereo System, Radio, and other devices with Bluetooth function
Enclosure Material: Plastic
Hardware Interface: Bluetooth
Number of Channels: 6
Additional Features: Hands-Free Calls, Monitor the Voltage of the Vehicle, Noise Cancellation, Support Siri, Google Voice Assistant, Support USB Flash Drives, Dual USB Ports
Supported Standards: Bluetooth, USB, TF Card, WMA, MP3, WAV, APE, FLAC
Supported Media Type: TF Card, USB Flash Drive
Warranty Description: 2 Year Warranty
Wireless Compability: Radio Frequency
Compatibility Options: Bluetooth-enabled devices, smartphones
Human Interface Input: Touchscreen
Supported Application: Bluetooth-enabled audio applications
Connectivity Technology: Bluetooth
Lithium-Battery Voltage: 12 volts
Item Dimensions L x W x H: 1.78"L x 1.6"W x 3.07"H
Number of Lithium-ion Cells: 1
Compatible with Vehicle Type: All Vehicle Types
Connector Type Used on Cable: USB Type A
Global Trade Identification Number: 06974827492055

How to get the most out of it

Finding a Clear Station

Scan your car radio for a frequency that has nothing but loud static. Tune the LENCENT device to this exact same number for the cleanest audio signal with the least interference.

Ownership tips

tip

Optimizing Call Volume

Set your phone volume to maximum and use your car stereo volume knob to adjust the levels. This reduces the floor noise and prevents the person on the other end from sounding muffled.

care

Protecting the Battery

While most modern cars cut power to the cigarette lighter when the ignition is off, check yours to ensure the blue light turns off. If your port stays powered, unplug the device to prevent draining your battery over long periods.

Frequently asked questions

Will this work in any car?

Yes, as long as your vehicle has a standard 12V-24V cigarette lighter socket and an FM radio. It works regardless of the car's age or model.

Can I play music from a thumb drive?

Absolutely. The device features a dedicated USB port that reads flash drives up to 32GB. It supports various formats including MP3, WMA, and even lossless FLAC files.

Does it support voice assistants?

Yes, it is compatible with Siri and Google Assistant. You can trigger your phone's voice commands through the transmitter to navigate or send texts hands-free.

Why is there static in my music?

Static usually happens when the chosen FM frequency is being used by a local radio station. Try switching both the transmitter and your radio to a different empty frequency.

Where can you buy the FM Transmitter?

FM Transmitter is sold through Amazon, and LENCENT also lists it through its own site and major retail partners. The buy link on this page goes straight to the current Amazon listing, which is where stock and pricing update most often.

How much does the FM Transmitter cost?

The last price Ravvy recorded was $15. Retail pricing on car electronics moves with promotions and stock, so treat that figure as a reference point and check the live listing before you buy.

How do you get the FM Transmitter for a cheaper price?

Three tactics work best: watch for holiday and seasonal sale events when car electronics discounts run deepest, compare the open box or renewed listing against new stock, and check whether LENCENT is running a coupon or bundle. Adding the product to your Ravvy wishlist keeps it handy so you can revisit the listing when prices drop.

Is the FM Transmitter in stock right now?

It was in stock at our last check. Availability on popular car electronics can change within hours, so the live listing is the source of truth.

Is the FM Transmitter worth it?

Ravvy scores it 89.8 out of 100. The strongest argument for it is supports lossless audio formats like FLAC and APE. The trade off to weigh is charging speed is limited to standard 2.4A max.

Who should buy the FM Transmitter?

It fits owners of older cars seeking a cheap way to add Bluetooth and hands-free calling. If that does not describe your situation, compare it with the other options in Car Electronics before committing.

What are the key specs of the FM Transmitter?

UPC: 613310828372. ASIN: B07VFT4D6B. GTIN: 613310828372. Brand: LENCENT.

What are good alternatives to the FM Transmitter?

Compare it against the other scored picks in Car Electronics on Ravvy. We rank every option in that group by the same criteria, so you can see which model wins on value, quality, and owner sentiment before you decide.

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