---
product_id: 230311654
title: "KM30 Bluetooth Car Adapter, FM Transmitter with 1.8\" Color Screen, Hands-Free Calling Strong Mic, QC3.0 Fast Charging, Treble & Bass Sound Music Player, Wireless Radio Receiver, AUX TF USB"
brand: "nulaxy"
price: "€ 55.89"
currency: EUR
in_stock: true
category: "Nulaxy"
url: https://www.desertcart.gr/products/230311654-km30-bluetooth-car-adapter-fm-transmitter-with-1-8-color
store_origin: GR
region: Greece
---

# QC3.0 ultra-fast charging Strong noise-cancelling mic 1.8" vibrant color screen KM30 Bluetooth Car Adapter, FM Transmitter with 1.8" Color Screen, Hands-Free Calling Strong Mic, QC3.0 Fast Charging, Treble & Bass Sound Music Player, Wireless Radio Receiver, AUX TF USB

**Brand:** nulaxy
**Price:** € 55.89
**Availability:** ✅ In Stock

## Summary

> 🚗 Tune In, Power Up & Drive Smart — Your Car’s Ultimate Bluetooth Companion!

## Quick Answers

- **What is this?** KM30 Bluetooth Car Adapter, FM Transmitter with 1.8" Color Screen, Hands-Free Calling Strong Mic, QC3.0 Fast Charging, Treble & Bass Sound Music Player, Wireless Radio Receiver, AUX TF USB by nulaxy
- **How much does it cost?** € 55.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/230311654-km30-bluetooth-car-adapter-fm-transmitter-with-1-8-color)

## Best For

- nulaxy enthusiasts

## Why This Product

- Trusted nulaxy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Vivid 1.8" Color Display:** Stay effortlessly informed with a large, adjustable screen showing caller ID, track info, FM frequency, and battery voltage in real-time.
- • **Dynamic Treble & Bass Control:** Customize your in-car soundscape by seamlessly switching between treble and bass modes, synced with a mesmerizing color spectrum.
- • **Lightning-Fast QC3.0 Charging:** Keep your devices powered up on the go with Qualcomm Quick Charge 3.0, delivering speeds up to 4x faster than standard chargers.
- • **Crystal-Clear Hands-Free Calls:** Experience amplified voice clarity with a powerful built-in microphone and noise cancellation for safer, distraction-free driving.
- • **Universal Connectivity & Compatibility:** Stream music wirelessly via Bluetooth, AUX, USB, or microSD card, compatible with most vehicles and car stereo systems.

## Overview

The Nulaxy KM30 Bluetooth Car Adapter is a versatile FM transmitter featuring a 1.8-inch color screen, a strong noise-cancelling microphone for hands-free calls, and QC3.0 fast charging. It supports multiple audio inputs including Bluetooth, AUX, USB, and microSD, with customizable treble and bass sound modes. Designed for most vehicles, it offers a 170° adjustable display and real-time info like caller ID and battery voltage, making it an essential upgrade for a connected, safer, and more immersive driving experience.

## Description

desertcart.com: Nulaxy KM30 Bluetooth Car Adapter, FM Transmitter with 1.8" Color Screen, Hands-Free Calling Strong Mic, QC3.0 Fast Charging, Treble & Bass Sound Music Player, Wireless Radio Receiver, AUX TF USB | 170°adjustable,color screen,Hands-Free Calling Strong Mic,treble/bass music streaming,Wireless Radio Receiver, AUX TF USB : Electronics

## Features

- Car Bluetooth FM Transmitter: Nulaxy KM30 bluetooth car adapter provides multi-solutions for your hands-free driving and in-car stereo streaming. It features a big display screen offering a wider visual interface for more information, such as incoming phone number, track name, FM frequency, battery voltage, Bluetooth connected device and more.
- Stronger Microphone for Better Hands-free Calls: KM30 utilizes stronger microphone, greatly amplify sound reception and strengthen sound quality, bringing a higher level of experience.
- Treble & Bass Music Streaming: You can stream music directly from your car radio via Bluetooth, microSD card, Aux out, and enjoy free switching between treble and bass mode, the color spectrum auto-syncs with your music.
- QC3.0 Fast Charging: It Comes with a QC3.0 charging port to deliver high-speed charging to driver and passenger, the charging time is 4 times faster than conventional charging.
- Kindly Note: Compatible car cigarette lighter socket dimensions: Diameter (without spring clip): 20mm，Diameter (with spring clip): 24mm, the deepth of the car cigarette lighter socket is 65-70mm. Surface dimensions of the KM30 Bluetooth FM Transmitter: the width of the screen plain surface is 41mm, the length is 85mm, and the thickness is 14-16mm (With rotary button is 24mm). Please compare the size between the transmitter and your car cigarette lighter bofore getting it.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08D3S85FW |
| Additional Features | Big Display Screen, Built-In Microphone, Fast Charging, Hands-Free Calls, Noise Cancellation |
| Audio Input | Bluetooth |
| Audio Output Mode | Stereo |
| Audio Output Type | bluetooth |
| Battery Type | Lithium-Ion |
| Best Sellers Rank | #20 in MP3 Player FM Transmitters |
| Brand | Nulaxy |
| Color | Black |
| Compatibility Options | Compatible |
| Compatible Devices | Car Stereo System |
| Compatible with Vehicle Type | Most Vehicles with Radio and Power Outlet |
| Connectivity Technology | Bluetooth |
| Connector Type Used on Cable | Auxiliary, USB Type C |
| Control Method | Voice |
| Control Type | home_automation |
| Controller Type | HomeKit |
| Customer Reviews | 4.4 4.4 out of 5 stars (19,144) |
| Display Type | LED |
| Enclosure Material | Acrylonitrile Butadiene Styrene (ABS), Metal |
| Hardware Interface | Bluetooth |
| Human Interface Input | Touchscreen |
| Installation Type | Plug In |
| Item Weight | 0.09 kg |
| Lithium-Battery Voltage | 12 volts_of_direct_current |
| Manufacturer | Nulaxy |
| Model Name | KM30 |
| Mounting Type | Dashboard Mount |
| Number of Batteries | 1 Nonstandard Battery batteries required. |
| Number of Channels | 1 |
| Number of Ports | 1 |
| Power Source | Battery Powered |
| Screen Size | 1.8 inches |
| Supported Application | Bluetooth, USB, microSD card |
| Supported Media Type | TF Card |
| Supported Standards | Bluetooth |
| Unit Count | 1 Count |
| Voltage | 12 volts_of_direct_current |
| Warranty Description | 1 Year Manufacturer |
| Wireless Compability | Bluetooth |

## Product Details

- **Brand:** Nulaxy
- **Connectivity Technology:** Bluetooth
- **Material:** Acrylonitrile Butadiene Styrene (ABS), Metal
- **Power Source:** Battery Powered
- **Special Feature:** Big Display Screen, Built-In Microphone, Fast Charging, Hands-Free Calls, Noise Cancellation

## Images

![KM30 Bluetooth Car Adapter, FM Transmitter with 1.8" Color Screen, Hands-Free Calling Strong Mic, QC3.0 Fast Charging, Treble & Bass Sound Music Player, Wireless Radio Receiver, AUX TF USB - Image 1](https://m.media-amazon.com/images/I/71GXtvvTN1L.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: The KM30 Car FM Transmitter is not working, or display is not showing.**
A: 1) Ensure the device is properly connected to the cigarette lighter port, and the cigarette lighter is not significantly rusted. 2) Unplug the device and try connecting it again. 3) Check if the cigarette lighter port is receiving power normally.

**Q: The Bluetooth transmitter is not compatible with my car, or compatible size range for car cigarette lighter interfaces.**
A: 1) Compatible car cigarette lighter socket dimensions: Diameter without spring clip: 20mm, with spring clip: 24mm, deepth: 65-70mm. 2) Screen Plain Surface dimensions: Width: 41mm, length: 85mm, thickness: 14-16mm (With rotary button: 24mm).

**Q: Noise is present, but there is no sound.**
A: 1) Confirm that the player is activated and not in pause mode. 2) Check and adjust the volume settings on the car radio, FM transmitter, and the connected external device as needed. 3) Try switching channels to see if it works properly.

**Q: Unable to play.**
A: 1 ) Ensure the USB device is properly connected to the player. Or try using another USB device. 2) Confirm the files on the USB device are supported by the KM30. 3) You're welcome to contact our professional 24/7 service team for any questions.

**Q: The car audio is not receiving sound.**
A: 1) Ensure the FM transmitter is turned on. 2) Verify the frequency of the FM transmitter matches the frequency of the car's radio. 3) Ensure the volume is not set to 0.

## Frequently Bought Together

- Nulaxy FM Bluetooth Transmitter for Car, Strong Microphone Bluetooth Car Adapter with 1.8" Color Screen for Hands-Free Calls, Supports QC3.0 Charging, Treble and Bass Sound Music Player- KM30
- SUUSON Upgraded 3-in-1 Car Phone Holder Mount [Powerful Suction] Phone Mount for Car Dashboard Air Vent Windshield,for All iPhone Android Phone (Black)
- Nulaxy Car Bluetooth FM Transmitter [2024 Upgraded], 1.44" Display Flexible Gooseneck, Handsfree Call Wireless Music Stereo Audio Player Radio Adapter Car Kit USB Phone Charger, TF SD Card AUX-KM18

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**Shop now:** [https://www.desertcart.gr/products/230311654-km30-bluetooth-car-adapter-fm-transmitter-with-1-8-color](https://www.desertcart.gr/products/230311654-km30-bluetooth-car-adapter-fm-transmitter-with-1-8-color)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-08-10*