Nulaxy KM18 Bluetooth FM Transmitter with 1.44-Inch LCD

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Product guide

Nulaxy KM18 Bluetooth FM Transmitter with 1.44-Inch LCD

The Nulaxy KM18 is a car FM transmitter with a 1.44-inch LCD, Bluetooth connectivity, hands-free calling and AUX support. It is aimed at drivers adding phone audio and calls to a car stereo, with a flexible viewing angle and voice-control claims in the listing.

At a glance

The LCD is described as showing call, FM-channel, music and car-battery-voltage information.
A flexible, rotatable gooseneck is claimed to adjust the screen viewing angle.
The listing describes Bluetooth audio, FM transmission, AUX input and support for TF-card and USB-stick playback.
Hands-free calling and Siri or Google Assistant use are listed, alongside noise cancellation for calls.

Price

$19.79Save 10%

Reference price: ~~$21.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

The screen and adjustable gooseneck provide a way to view call and playback information from a chosen angle.
Bluetooth, FM transmission and AUX options give drivers more than one listed route for connecting audio.
Hands-free call controls and claimed voice-assistant support can help drivers manage calls and directions.

Cons

Bluetooth FM audio may be affected by static or interference, a concern reflected in mixed customer feedback.

Technical specifications

9 specifications

Identity
Brand	Nulaxy
Model	KM18

Display
Screen size	1.44 inches
Screen technology listed	LCD

Connectivity and controls
Connection options listed	AUX, Bluetooth, USB
Control methods listed	Voice

Power and battery
Power configuration	Battery Powered

Installation and weight
Mounting type listed	Dashboard Mount
Weight listed	5.6 ounces

What to know before buying

Listing details to confirm

Bluetooth generation is inconsistent: the title says Bluetooth 5.4, while the feature text says Bluetooth V5.0. The connection and stability claims should not be treated as a settled version specification. The description also names TF cards and USB sticks for playback, while the listed connectivity and media fields differ, so confirm the intended playback connections for the selected listing. The listing describes both battery power and vehicle fitment, but does not explain the power arrangement.

Who is it for?

A good fit for

Drivers adding Bluetooth phone audio and hands-free calls to a car stereo.
Buyers who want a compact screen for call, channel and music information.
Drivers whose car setup can use FM transmission or AUX audio.

Less suited to

Buyers who need a confirmed Bluetooth version or a clearly documented power and media-input configuration.
Drivers who require consistently interference-free FM audio, since customer feedback reports mixed experiences with static.

Nulaxy KM18 Bluetooth FM Transmitter with 1.44-Inch LCD · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 134,830 ratings

5 stars70%70%
4 stars16%16%
3 stars7%7%
2 stars3%3%
1 star4%4%

Customer feedback highlights ease of setup, sound quality and automatic phone pairing, while reports about static, product quality and reliability are mixed. Some customers mention background noise or random Bluetooth disconnections. These concerns matter for an FM-based car adapter, where audio clarity and a steady connection affect everyday use. The overall rating distribution is mostly positive but includes lower ratings, and does not establish how the device will perform in a particular car.

Positive themes

Customers report easy setup and automatic phone pairing.
Customers praise sound quality and general functionality.

Mixed feedback

Feedback is mixed on static and background noise.
Customers disagree about quality and reliability, with some reporting Bluetooth disconnections.

Frequently asked questions

What does the KM18 display?

The listing describes a 1.44-inch LCD that can show calls, FM channels, music and car-battery voltage.

How can the KM18 connect to a car stereo?

Bluetooth, FM transmission and AUX are listed. The listing also mentions TF-card and USB-stick playback, but its media and connection details are not fully consistent, so confirm the selected configuration.

Which Bluetooth version does it use?

The title claims Bluetooth 5.4, while the feature description says Bluetooth V5.0. The supplied listing does not resolve the difference.

Does it support hands-free calls?

Yes. The listing describes hands-free call controls and Siri or Google Assistant support, but these are product claims rather than independently verified performance.