---
product_id: 630028716
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: "₨11261"
currency: LKR
in_stock: true
category: "Nulaxy"
url: https://www.desertcart.lk/products/630028716-nulaxy-54w-bluetooth-5-3-car-adapter-fm-transmitter-4
store_origin: LK
region: Sri Lanka
---

# 54W ultra-fast charging 5-color LED backlit Deep bass sound boost 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:** ₨11261
**Availability:** ✅ In Stock

## Summary

> 🚗⚡ Charge, Connect & Cruise in Style!

## 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?** ₨11261 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/630028716-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

- • **Vibrant LED Ambiance:** Five customizable LED colors provide stylish, safe nighttime visibility—turn your car interior into a mood-lit sanctuary.
- • **Next-Gen Bluetooth 5.3:** Experience seamless, ultra-stable connections with the latest Bluetooth tech for crystal-clear calls and uninterrupted music flow.
- • **Hands-Free & Hassle-Free:** Voice command support and tactile controls keep you connected and focused on the road, ensuring safety without sacrificing convenience.
- • **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 Audio with Deep Bass:** One-touch bass enhancement delivers rich, concert-quality sound that transforms your daily commute into a premium audio experience.

## Overview

The Nulaxy 54W Bluetooth 5.3 Car Adapter is a cutting-edge FM transmitter and fast charger that powers up to four devices simultaneously with PD and QC technology. Featuring Bluetooth 5.3 for rapid, stable connections, it delivers superior sound with deep bass and five-color LED backlighting for enhanced nighttime usability. Designed for hands-free calling and voice commands, it ensures safe, seamless integration with your car’s audio system and supports wide vehicle compatibility.

## 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 iphone fm transmitter for car radio 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 cigarette lighter adapter 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: FM modulator bluetooth 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. (Please compare the size between the transmitter and your car cigarette lighter )
- Kindly Note: It's compatible with car cigarette lighter socket dimensions: Diameter without spring clip: 20mm, with spring clip: 24mm (Please make sure the diameter of our transmitter matches the diameter of your car cigarette lighter socket). Before plugging into the car cigarette lighter socket, please check whether there is any foreign matter at the bottom of the cigarette lighter socket and make sure the inside of the car cigarette lighter socket is clean.
- How to Match & Switch Frequencies: First, power on your car radio, tune it to a blank FM frequency. (A blank frequency is a channel with no active radio programs broadcasting on it, producing only a slight rustling or static noise through car's speaker). Set the transmitter to the same frequency as the car radio. Switch frequency: Long press the rotate button of Nulaxy transmitter until the frequency starts flashing, rotate the button clockwise to increase frequency. Otherwise, decrease frequency.
- Pair the FM Transmitter with Your Smartphone via Bluetooth: Enable your phone's Bluetooth is turned on, search for 'BC91', then select 'connect'. Once connected successfully, you can start playing music, using navigation, or enjoying hands-free calling through the device.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D1Y1424Y |
| Additional Features | 54W High Power Fast Charging, Built-In Microphone, Colorful Lighting Effects, Deep Bass, Hands-Free Calls |
| AntennaDescription | Radio |
| Audio Input | Microphone |
| Audio Output Mode | Stereo |
| Audio Output Type | Speaker |
| Best Sellers Rank | #2 in MP3 Player FM Transmitters |
| Brand | Nulaxy |
| Color | A-Black |
| Compatibility Options | Bluetooth devices, USB devices including USB Type C |
| Compatible Devices | Car Stereo System |
| Connectivity Technology | Bluetooth, USB |
| Connector Type Used on Cable | USB Type A, USB Type C |
| Control Method | Push Button, Voice |
| Control Type | Push Button Control & Voice Control |
| Customer Reviews | 4.4 4.4 out of 5 stars (9,745) |
| Data Link Protocol | Bluetooth data link protocol |
| Enclosure Material | Polycarbonate (PC) |
| Hardware Interface | USB, USB Type C |
| Human Interface Input | Buttons |
| Installation Type | Plug in Car Socket |
| Item Weight | 0.07 kg |
| Manufacturer | Nulaxy |
| Model Name | BC91 |
| Mounting Type | Plug in Car Socket |
| Number of Channels | 1 |
| Number of Ports | 4 |
| Power Source | Battery Powered |
| Supported Application | Any Bluetooth-supported audio application |
| Supported Media Type | MP3, WAV, WMA, AAC, FLAC, 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:** Bluetooth, USB
- **Material:** Polycarbonate (PC)
- **Power Source:** Battery Powered

## 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/71qeoDjC+jL.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, Black
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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-07-26*