---
product_id: 673687267
title: "Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging | Wireless FM Radio Music Player with Deep Bass, 5 Colors LED Backlit, Hands-Free Calling, PD&QC Car Charger Support USB Drive"
brand: "nulaxy"
price: "$38.36"
currency: USD
in_stock: true
category: "Nulaxy"
url: https://www.desertcart.us/products/673687267-nulaxy-54w-bluetooth-5-3-car-adapter-fm-transmitter-4
store_origin: US
region: United States of America
---

# 54W ultra-fast charging Bluetooth 5.3 lightning-fast connection Deep bass audio clarity Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging | Wireless FM Radio Music Player with Deep Bass, 5 Colors LED Backlit, Hands-Free Calling, PD&QC Car Charger Support USB Drive

**Brand:** nulaxy
**Price:** $38.36
**Availability:** ✅ In Stock

## Summary

> 🚗⚡ Charge, Connect & Cruise in Style — The Ultimate Car Companion

## Quick Answers

- **What is this?** Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging | Wireless FM Radio Music Player with Deep Bass, 5 Colors LED Backlit, Hands-Free Calling, PD&QC Car Charger Support USB Drive by nulaxy
- **How much does it cost?** $38.36 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/673687267-nulaxy-54w-bluetooth-5-3-car-adapter-fm-transmitter-4)

## 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

- • **Power Up at Lightning Speed:** 54W total output with PD36W & QC18W ports for simultaneous fast charging of 4 devices—never run low on juice again.
- • **Immersive Deep Bass Experience:** One-touch bass boost delivers rich, powerful sound that transforms your car into a premium concert hall on wheels.
- • **Seamless Bluetooth 5.3 Connectivity:** Experience ultra-stable, lag-free streaming and crystal-clear hands-free calls with the latest Bluetooth tech.
- • **Vibrant 5-Color LED Backlit Interface:** Stylish and functional lighting enhances nighttime visibility and adds a modern vibe to your dashboard.
- • **Drive Safer with Voice & Touch Control:** Hands-free voice commands and tactile raised buttons keep your focus on the road while controlling music and calls effortlessly.

## Overview

The Nulaxy 54W Bluetooth 5.3 Car Adapter is a cutting-edge FM transmitter and fast charger that supports 4 simultaneous device charges with PD and QC technology. Featuring Bluetooth 5.3 for rapid, stable connections, deep bass audio enhancement, and a colorful LED backlit interface, it elevates your in-car entertainment and charging experience. Designed for safety and compatibility with 12V-24V vehicles, it ensures hands-free convenience and superior sound quality on every drive.

## Description

Buy Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging | Wireless FM Radio Music Player with Deep Bass, 5 Colors LED Backlit, Hands-Free Calling, PD&QC Car Charger Support USB Drive: FM Transmitters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- 54W High Power Fast Charging, 4-Port Synchronous Charging: Nulaxy Bluetooth car adapter integrates PD36W and QC18W, offering a high-speed and efficient charging solution. Its innovative four-port design supports parallel charging of multiple devices, effortlessly overcoming battery anxiety and enhancing charging efficiency.
- Technological Leadership, Revolutionary Bluetooth 5.3: The fm transmitter Bluetooth uses the latest Bluetooth 5.3 technology, significantly improving connection speed and data transmission efficiency. Enhanced sound quality ensures rapid and stable connections, providing a clearer, smoother experience for both calls and music playback.
- Stunning Bass, Colorful Lighting Effects: One-touch activation of stunning bass effects reproduces the true texture of music, offering an unparalleled musical experience. The five-color lighting design provides accurate perception at night, ensuring easy and safe operation, making nighttime driving more relaxed.
- Voice Commands and Precise Touch Control: Our Bluetooth transmitter supports smart voice navigation from your phone for truly hands-free driving. Its unique raised button design provides precise, sightless control, ensuring safety and convenience while driving.
- Comprehensive Safety Assurance and Wide Compatibility: Bluetooth adapter for car provides all-around safety protection, including over-current, over-voltage, overheating, and short-circuit protection, ensuring the safety of you and your devices. Its wide compatibility supports 12V to 24V vehicle voltages, suitable for most cars. Nulaxy continues to innovate, offering industry-leading car Bluetooth adapter that ensure safety and compatibility.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DGCTQXQ1 |
| Additional Features | 54W High Power Fast Charging, Colorful Lighting Effects, Deep Bass, Hands-Free Calls |
| Audio Output Mode | Stereo, FM transmission |
| Audio Output Type | Bluetooth, FM Radio |
| Best Sellers Rank | #1 in MP3 Player FM Transmitters |
| Brand | Nulaxy |
| Color | Gold |
| Compatibility Options | Cars, Bluetooth-enabled devices |
| Compatible Devices | Headphone, Laptop, Smartphone, Tablet |
| Connectivity Technology | USB |
| Connector Type Used on Cable | USB Type C |
| Control Method | Voice |
| Customer Reviews | 4.4 4.4 out of 5 stars (9,934) |
| Enclosure Material | Acrylonitrile Butadiene Styrene (ABS), Plastic |
| Hardware Interface | Bluetooth |
| Installation Type | wireless |
| Item Weight | 0.06 kg |
| Manufacturer | Nulaxy |
| Model Name | BC91 |
| Number of Channels | 4 |
| Number of Ports | 4 |
| Power Source | Corded Electric |
| Supported Application | Any Audio Application |
| Supported Media Type | MP3, WAV, USB Flash Drive |
| Supported Standards | Bluetooth 5.3 |
| Voltage | 12 volts_of_direct_current |
| Warranty Description | 1 year manufacturer |
| Wireless Compability | Bluetooth |

## Product Details

- **Brand:** Nulaxy
- **Connectivity Technology:** USB
- **Material:** Acrylonitrile Butadiene Styrene (ABS), Plastic
- **Power Source:** Corded Electric
- **Special Feature:** 54W High Power Fast Charging, Colorful Lighting Effects, Deep Bass, Hands-Free Calls

## Images

![Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging | Wireless FM Radio Music Player with Deep Bass, 5 Colors LED Backlit, Hands-Free Calling, PD&QC Car Charger Support USB Drive - Image 1](https://m.media-amazon.com/images/I/71SV9Dv8DRL.jpg)
![Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging | Wireless FM Radio Music Player with Deep Bass, 5 Colors LED Backlit, Hands-Free Calling, PD&QC Car Charger Support USB Drive - Image 2](https://m.media-amazon.com/images/I/71uBz+AeQGL.jpg)
![Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging | Wireless FM Radio Music Player with Deep Bass, 5 Colors LED Backlit, Hands-Free Calling, PD&QC Car Charger Support USB Drive - Image 3](https://m.media-amazon.com/images/I/81Cxb8MhAGL.jpg)
![Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging | Wireless FM Radio Music Player with Deep Bass, 5 Colors LED Backlit, Hands-Free Calling, PD&QC Car Charger Support USB Drive - Image 4](https://m.media-amazon.com/images/I/71qJiDTkkiL.jpg)
![Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging | Wireless FM Radio Music Player with Deep Bass, 5 Colors LED Backlit, Hands-Free Calling, PD&QC Car Charger Support USB Drive - Image 5](https://m.media-amazon.com/images/I/71FqyGLWKZL.jpg)

## Available Options

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

## Questions & Answers

**Q: What is the size of the plug-in connector, and which car models is it compatible with?**
A: Sizes: Diameter 24mm with spring clip, Depth 57mm This size fits most car models but is unsuitable for sockets in recessed areas like glove boxes. After use, hold the car’s socket with one hand and pull out the charger with the other to avoid damage.

**Q: How can I avoid or reduce noise?**
A: For best sound quality, set the car audio volume below 50% before connecting your phone. Then, connect to the FM frequency & Bluetooth. Adjust the phone & BC91 volume first. If it's still too low, adjust the car audio system to reach the ideal level.

**Q: How do I match & switch frequencies?**
A: Turn on car radio to blank FM frequency. Set the BC91 to the same frequency as the car radio. Long-press the BC91 rotate button until frequency flashes. Turn clockwise to increase, counter-clockwise to decrease.

**Q: The device isn't working/power isn't responding/display isn't showing/car audio isn't receiving sound/unable to play?**
A: 1) Ensure that the FM transmitter is on. 2) Verify the transmission frequency of the FM transmitter matches the frequency of the car's radio. 3) Unplug the BC91 and connect it again. 4) Confirm the files on the USB device are supported by the BC91.

**Q: How to pair the FM transmitter with your phone via Bluetooth?**
A: Plug BC91 into car cigarette lighter socket to power on. Enable your phone's Bluetooth is on. Then search for 'BC91 and select 'connect'. Once connected, you can start playing music, using navigation, or making hands-free calls.

## Frequently Bought Together

- Nulaxy 54W Bluetooth 5.3 Car Adapter with 4 Charging Ports [PD 36W & QC3.0 18W], Wireless Radio FM Transmitter with Deep Bass Player & 5 Colors LED Backlit, Hands-Free Calling - Gold
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-10*