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🚗⚡ Charge fast, connect smarter, drive cooler.
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 the latest Bluetooth 5.3 for rapid, stable connections, it delivers crystal-clear calls and rich bass-enhanced music. Its colorful LED backlight and intuitive voice and touch controls ensure a safe, stylish, and hands-free driving experience compatible with most 12V-24V vehicles.














| 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 | #1 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 out of 5 stars 9,911 Reviews |
| 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 |
| Material | Polycarbonate (PC) |
| Model Name | BC91 |
| Mounting Type | Plug in Car Socket |
| Number of Channels | 1 |
| Number of Ports | 4 |
| Power Source | Battery Powered |
| Special Feature | 54W High Power Fast Charging, Built-In Microphone, Colorful Lighting Effects, Deep Bass, Hands-Free Calls Special Feature 54W High Power Fast Charging, Built-In Microphone, Colorful Lighting Effects, Deep Bass, Hands-Free Calls See more |
| 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 |
L**.
NOTHING BUT GOOD THINGS TO SAY
This Nulaxy Bluetooth unit actually works really well. I was going to buy Bluetooth speakers to clip onto the visor of my 1997 Land Cruiser, and accidentally ran across these little FM xmitter products. There are many brands and models, but this one had a couple of nice features and seemed to come recommended, so I chose it. I tune it to an FM station that has the least static and no signal at all, and I pre-program that frequency to a pushbutton on my radio. The unit connects via Bluetooth almost instantly when the car is started (and a voice notifies me that it's connected), and then on a call, telephone conversation audio comes out clear and smooth. Turn it to its max volume and it may not shake the fenders off your car but it's not bad at all...and that's on a older truck, too. The only music audio I've tried so far is my "Favorites" playlist from a YouTube app. It plays them very nicely. And I can pause them with the multifunction button (and occasionally fast-forward past the ads in between each "track" by turning the multifunction button briefly clockwise...although it sometimes also skips to the entire next track). Fidelity is about as enjoyable as if a radio station was broadcasting the songs. Initially some features weren't working, until I realized that my dashboard cigar lighter is in a recessed dashboard area that's too narrow and the dashboard's plastic was holding the Bluetooth device's "light" button down. This made a number of features not work properly. So I mounted the Nulaxy device on a small extender "stalk" and it works flawlessly. Navigation audio goes silent during a phone call, but that's an iPhone thing…and it comes back automatically and quite instantly when the call terminates. Probably again per the iPhone's own behavior, navigation audio takes precedence over music audio loudness-wise, but the music audio continues playing softly in the background and then comes back to the foreground each time the navigation app stops talking. So I can listen to music while navigating, and it works fine. My strategy if I want to listen to the radio is to listen to whatever station I want...baseball game on AM or whatever...and if a phone call comes in, I just switch the radio quickly to FM and hit the radio's pre-programmed frequency button, and then I answer the call on the Nulaxy device. If I want to initiate a call, I turn the radio to the FM frequency first and then initiate the call on the phone (by typing or by using Siri commands), then converse via the Bluetooth device. The "dial last number called" quick-double-button-press works too...but only seems to work for the last call that I myself initiated, not the last call that called me and spoke with me. Not a big deal there, and that could be an Apple iPhone thing too, for all I know. I'm not sure if Siri commands work without touching the phone...but of course they still work on the phone itself. About the only small wrinkle, and it's just the nature of different signal source amplitudes and not the fault of this device, is that FM radio volume must sometimes be turned up a bit to compete with road noise...so in those cases I need to remember that I had turned the radio volume up before I switch back to the baseball game...or I may hear "Beanball!" or "Kill the umpire!" come out of the speakers really loud. (But since I'm yelling those things at the top of my lungs whenever I listen to a ball game anyway, it's hardly a big deal...) Overall this great little gizmo has it all over my original idea of putting speakers on the visor above my head -- so many limitations and complexities are simplified and improved with this approach compared to separate speakers (which would need to be manually turned on, and frequently recharged, and I'd still have to turn off or pause other audio to make them worthwhile at all). This device is a dirt cheap way of adding full-featured completely satisfying Bluetooth connectivity to my nearly-30-year-old Land Cruiser for a whopping $12.47 Black Friday sale price. Would I buy another? C'mon, man, who the heck needs two older Land Cruisers? : )
W**.
What a great little item and it's really helped make my car experience a lot less boring
I got this item back in August of 2025 and I had something similar many years ago when I was driving a delivery van overnight and couldn't find anything on the radio so I wanted to stream things from my phone. This thing pretty much is flawless You plug it in the cigarette lighter and it auto picked a station which I guess it already has preset that knows that nothing is usually on that frequency and then I turn my car to the right auto frequency and play my music streaming off my phone couldn't be simpler. I use it with my unlimited data which I actually get a broil affordable price on so I stream the serious satellite radio using the app and I haven't really needed to listen to the car radio for many many months. I can get local stations even a.m. and FM and then of course with serious satellite radio app I get hundreds of other stations. It's the perfect alternative when you're tired of listening to the commercials all the time and you're tired of stations that go in and out especially a.m.. The things work flawless I leave it plugged in in the car all the time and never have a problem connects automatically when I turn on my Bluetooth. The sound quality I assume is great I don't know sounds just like the regular radio domain I don't have a high definition car stereo anyway It's just the factory model and an old Subaru I drive but everything sounds crystal clear to me I'm sure it could be better if there was some high end equipment in the car but anyway I mean literally for the price of two Starbucks coffees you get this product that can do so much and never have to worry about plugging cables in or any of that stuff again. Overall I highly recommend it I'm giving it five stars.
P**X
Exceeded my expectations. Couldn’t ask for better.
Initially I was just searching for a decent plug-in car charger with at least 2 Power Delivery USB-C and 2 USB-A ports. Then I stumbled upon this product in the same price range. It had most of the charging port specs I wanted AND there was the added function of turning my car radio into a bluetooth speaker. I was a bit suspicious of the quality of these features based on the low $10 price tag, but I figured “oh what the heck, as long as it charges my phone, any other features are all up-side, regardless or quality.” Well, it turns out after receiving and briefly testing out the item, all of the advertised features work well and I couldn’t come up with any complaints about the quality. I’m not an audiophile, so I can’t really tell you about all the different sound characteristics, but I can definitely say that the sound was clear with no static. The FM signal was strong to create complete silence on the radio station you tell it to connect to (when it is connected but no sound is playing). The microphone built into this device transmitted my voice clearly to the person on the other end of a phone call, without me having to pay special attention to where I was directing my voice from a normal driving position in my truck with my power port down low front and center. I even tried it in a power port located inside an open armrest console slightly below where the driver’s elbow would be, and it still picked up my voice clearly. It’s nice that it allows you to choose whatever FM frequency you want for transmitting to your radio. The bluetooth connected to my phone easily. The colorful LED light ring around the device lets you choose the color or let it continuously slowly cycle through all the colors, but I found the best LED feature to be the fact that you can turn them the lights off. I also like that you can easily hold a button down to turn the entire unit off when you don’t want it to automatically connect to your phone and vehicle. This is also good for preserving my truck’s battery since my power port is the type that stays on even when my truck is off. Note that the charging ports DO still work when the rest of the unit is powered off. The bass boost option toggles on and off, but my truck has crappy speakers, so I couldn’t tell if this feature improved the sound or made it worse. There’s even a voltmeter built in that lets you see the voltage of your vehicle’s battery whenever you power this unit on. That will help me monitor how much drain is on my truck’s battery after long periods without running it. I haven’t yet had a chance to properly test the accuracy of the advertised charging port specs, but I’ll update this review if I find that the charging speed or wattage don’t seem as advertised. I’ll also update this review if the quality of the product degrades or if it stops working too soon. If I were being greedy, the only improvements to this product that I would have asked for would be an increase in Power Delivery charging wattage specs. And although the following is probably overkill, I like the idea an additional mechanical switch to turn off power to the entire device including the charging ports, absolutely ensuring zero phantom drain on the car battery. Such a feature does not seem to be popular on chargers anywhere though since their phantom drain when not in use is considered negligible enough. Overall I find this product to be GREAT and as FLAWLESS as you can get for $10. I plan to order one in a different color for another vehicle as soon as I submit this review.
F**G
Good Enough
Works well enough on my old car and connects without any issues. Audio quality isnt the best and static can be heard when audio is not the loudest but sounds good enough. Very easy to use with help of the guide included in the box but volume can be soft requiring you to crank up the car volume which can be a bit bothersome whenever you accidently switch channels blasting music or whenever you turn off the car with a very short burst of loud sound. Overall good product and investment for a old car without the work of installing a screen and doing the wiring for such.
M**.
Awesome!
I have a vehicle from 2006 / pre-sync and plugged this into the cigarette lighter. Within 30 seconds I had the device paired with my phone, the FM radio tuned to the station displayed on the unit, and tunes playing on the radio. Good quality. This is probably one of the simplest pieces of technology I've ever bought and it's super effective.
K**N
Easy, and effective for your Bluetooth streaming needs
I have a 2011 Pathfinder that doesn’t have blue tooth. I’m the type person that can’t go a block from my house without music playing in my car. I’ve tried so many products that have been disappointing. I literally received this today, opened it, plugged it into my charge port of my car.. it immediately lit up and displayed the fm station for me to sync with. I dialed to the station on my car and VOILA! I immediately had music from my iPhone streaming through my car. It was that easy. And might I add.. I’m probably one of the least tekkie/mechanically inclined peeps in the planet , so I was 100% thrilled that it connected that easily and worked immediately. Plus, I put my phone in the charging port.. again.. awesome! I’d definitely recommend this to anyone
G**K
Incredible value for the non-audiophile!
This is actually an amazing little device. I picked up an old, cheap “beater truck” as a hauler for some remodeling projects. 2002 dodge Dakota. It only took a few minutes to have pandora playing through a reasonable stereo system. Instructions are slightly limited on how to change frequencies but I figured it out and bumped it to 100.1. Works great and is hella compact.
M**A
Great solution for older cars without a real AUX port
I bought this for my 2007 Honda Odyssey, which has an AUX button on the radio but surprisingly doesn’t actually have an AUX input anywhere. This FM transmitter ended up being the perfect workaround. Setup was very easy. I plugged the device into the car’s power port, found an unused FM station, paired my phone through Bluetooth, and was playing music within minutes. The Bluetooth connection was quick and stable, and the sound quality is much better than I expected for the price. Another thing I like is the size. It’s compact and doesn’t take up much space in the power port area, so it doesn’t get in the way while driving. It’s also easy to move between vehicles if needed. Once plugged in, it stays securely in place and hasn’t felt loose or wobbly during use. My only complaint is the volume consistency. I’ll get the transmitter volume set just right, but if I switch over to regular radio or play a CD and then come back, the volume can be much louder than I expected. It seems like the transmitter and the vehicle’s other audio sources don’t always match volume levels, so I have to be careful when switching between them. I’ve only had it for one day, but so far it’s been a great and affordable fix for adding Bluetooth to an older vehicle. If you have a Honda Odyssey like mine that teases you with an AUX button but gives you no AUX port, this is a solid solution.
S**O
Dispositivo auto multifunzinale
Il trasmettitore per auto Nulaxy è un dispositivo multifunzionale progettato per migliorare l'esperienza di guida, offrendo funzionalità di trasmissione FM, connettività Bluetooth avanzata e porte di ricarica ad alta velocità. : La tecnologia Bluetooth 5.3 offre una connessione stabile e una maggiore portata rispetto alle versioni precedenti, riducendo le interruzioni e migliorando la qualità audio durante le chiamate e la riproduzione musicale. : Il dispositivo trasmette l'audio dallo smartphone alla radio dell'auto tramite una frequenza FM regolabile, permettendo di ascoltare la musica e le chiamate attraverso gli altoparlanti dell'auto. La trasmissione FM offre una qualità del suono chiara e senza distorsioni, specialmente se la frequenza scelta è libera da interferenze. La porta Power Delivery da 36W consente di ricaricare rapidamente dispositivi compatibili, come smartphone e tablet. La porta Quick Charge 3.0 da 18W fornisce una ricarica veloce per dispositivi compatibili, riducendo significativamente i tempi di ricarica. Oltre alle due porte ad alta velocità, il dispositivo offre altre due porte di ricarica USB, permettendo di ricaricare fino a quattro dispositivi contemporaneamente. Il display LED mostra informazioni come la frequenza FM selezionata, lo stato della connessione Bluetooth e la tensione della batteria dell'auto. Pulsanti facili da usare per la gestione delle chiamate, il controllo della musica e la selezione delle frequenze FM. Il microfono integrato consente di effettuare chiamate in vivavoce, migliorando la sicurezza durante la guida. Compatibilità con assistenti vocali come Siri e Google Assistant per un controllo vocale senza mani. Il trasmettitore FM Bluetooth 5.3 per auto Nulaxy è un accessorio eccellente per chi desidera migliorare la propria esperienza di guida con una connettività avanzata, funzionalità di trasmissione FM e opzioni di ricarica rapida. La tecnologia Bluetooth 5.3, insieme alle porte di ricarica ad alta velocità, offre convenienza e praticità, rendendo questo dispositivo una scelta ideale per chi passa molto tempo in auto e necessita di un modo affidabile per gestire chiamate, musica e ricarica di dispositivi.
A**U
Perfetto su vecchie auto con autoradio senza bluetooth
Utilizzato per trasformare una vecchia autoradio di una Fiat Punto in un dispositivo multimediale. Per configurarlo è stato sufficiente cercare una frequenza non utilizzata dalle radio: bisogna scorrere avanti o indietro fino a sentire solamente grattare le casse. Successivamente ho collegato il dispositivo all'accendisigari e ruotato la rotella raggiungendo la stessa stazione. Ci si accorge del suo funzionamento perché le casse smettono di grattare e non riproducono alcun suono. A questo punto non resta che cercare il Nulay con il bluetooth del telefono, associarlo ed il gioco è fatto. Viene rilevato come cuffie e riproduce tutte le app multimediali (spotify, youtube, ecc) oltre ad arrestarle ed avviare la suoneria in caso di chiamata in arrivo, idem in uscita. L'audio è ottimo così come il microfono con riduzione dei rumori. Unico difetto, ma non so se dipenda dall'accendisigari della macchina stessa, in caso di forti dossi questo si spegne e si riaccende, perdendo temporaneamente la connessione ed interrompendo l'audio. Rapporto qualità prezzo davvero ottimo, dal momento che resuscita davvero vecchie autoradio senza dover smontare nulla. Consigliato.
I**N
Se escucha bien tanto micro como altavoz
En mi caso, llega a bloquear una emisora y mantener un sonido limpio sin interferencias, pero hemos buscado un dial libre entre dos cadenas de radio por si acaso. Se pueden quitar las luces que por la noche pueden ser algo molestas. Dispongo de un dispositivo de carga rápida a 30W y funciona.
M**L
DISEÑO, DINÁMICO
Jamas habia tenido un transmisor de este tipo para el coche, un transmisor bluetooth, que tiene varias puertos usb, también sirve para cargar el móvil, y se empareja muy bien con el móvil, sena genial, tiene boton de volumen, es muy compacto y el diseño es muy agradable, lo recomiendo, muchisimas gracias, fuerte abrazo...
Y**Z
Excelente Desempeño
Suena bastante bien, tiene potencia de bajos y buena calidad de sonido, el micrófono para llamadas tambien funciona bastante bien
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