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Bluetooth Receiver, LAICOMEIN Wireless Portable 3.5mm Aux Car Adapter, Bluetooth 5.0 Wireless Audio Receiver for Car/Home Stereo/Wired Headphones/Speaker, 16H Battery Life

  • Based on 9,708 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Sep 2 – Sep 3
Order within 5 hours and 7 minutes
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Features

  • BLUETOOTH AUX RECEIVER FOR CARThe Bluetooth 3.5mm Aux receiver can turn your old car audio/home audio/3.5mm wired earphones/speakers into wireless. Compatible with most Bluetooth-enabled devices, such as smart phones, tablets, laptops, and computers.
  • ENJOY HANDS-FREE CALL & WIRELESS MUSICThis Bluetooth AUX receiver can pair with Bluetooth devices and the built-in microphone can be used to answer hands-free calls. One key to answer, reject, end and redial the last number. Designed with MFB and volume up/down button, it is very convenient to adjust the volume of music.
  • BLUETOOTH 5.0 & DUAL CONNECTIONThe Bluetooth receiver equipped with Bluetooth 5.3 to ensure stable connection. It can connect 2 devices at the same time, so you won't miss any calls while listening to music. The Bluetooth range up to 33ft without obstacles. Automatically connects to the last connected device.
  • FAST CHARGING & LONG BATTERY LIFEOne key to power on and enter pairing mode. The built-in battery has a long battery life and can support up to 16 hours of use after full charged. Fast charging and can be fully charged within 2 hours.
  • PORTABLE&CONVENIENTWeights only 0.5 oz., very tiny size. You can take this Bluetooth audio receiver whenever you go. Very good companion for drivers. If you encounter any problems during use, please feel free to let us know and we will help you at any time.

Special Feature: 3.5mm aux, Built-In Microphone, Fast Charging, Hands-Free Calls


Brand: LAICOMEIN


Connectivity Technology: Bluetooth


Power Source: Battery Powered


Material: Plastic


Product Dimensions: 1.6 x 1.6 x 0.3 inches


Item Weight: 0.5 ounces


Item model number: J33


Batteries: 1 CR5 batteries required. (included)


Date First Available: September 15, 2021


Manufacturer: LAICOMEIN


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 2 – Sep 3

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Small but powerful
So I've tried it out for over a week now both in my car and connected to a sound system and it's worked great every time. I've used it for streaming podcasts in my car and streaming music to the sound system. Even with all that use, my phone reports it still has 80% battery life. So I guess we'll see if that suddenly drops to 0% or continues to gradually decrease. The only issue I had was when I first received it, in order to power it on, I couldn't have the audio cable connected. After that and the initial pairing, I simply just hold the power button for 2 seconds and it turns right on. I also just hold the power button for 2 seconds to power it off if I don't want to wait. So if you've charged it and it won't turn on, disconnect the cable from it and hold the power button down for about 2 seconds, then plug it in to the audio adapter or cable. The volume has been plenty loud in my car. I hear no difference with the wired or bluetooth connection. (I currently have an older android phone with a headphone jack). Using the sound system it was also plenty loud, too loud in fact that I turned down the sound system. In writing this I realize I haven't actually tried the volume buttons on the side so that also could help make it louder or quieter. Pairing it was simple with my phone. I've also had another friend pair to it and didn't have a problem. In all instances the phones have been pretty close so I can't speak to the distance but in my uses for it, it will always be within 6' of my phone anyways. It does speak the words paired so you know. Pros: *Small, like really small. *Good battery life (so far) *Sounds good. *Good volume output. *Comes with handy audio adapter and cable *USB-C for charging. *Affordable Cons: *When used in car during a phone call, sounds a little bit distant but my wife hasn't ever complained she can't understand me or can't hear me so this is just a minor con. *Comes with the shortest charging cable. Don't know what car you could use that in to charge and also have it connected to the stereo aux jack. So you will need a longer USB-C cable. *Nit picky here but I would prefer the blue led to just stay solid when paired instead of pulsing. I don't really notice it but I haven't also driven at night so I don't know if it would annoy me or not. Just be aware that the light alternates blue/red with it isn't connected and then pulses blue when it is ... show more
Reviewed in the United States on April 8, 2022 by Travis Wertz

  • It just works!
I recently bought a vehicle that has no cd or Bluetooth, but did have an AUX plug in. So I purchased rhis in hopes of being able to run bluetooth from my phone to the radio. It worked amazing. The sound quality is great, way better then the satellite radio. Hook up was very simple and I was luck enough to have a USB jack right next to the AUX jack, so the battery stays charged. I was impressed because I bought little Bluetooth things like this in the past, and they either sound horrible or the internals die very quickly. This has lasted me about 4 months now and no issue. Batt is 100% and sound quality is better then before. I have more bass in my stock system then before. It's sounds great and I can listen to the songs I like when I want. You can change the song directly from this as well. So no need to ever pick up my phone while I'm driving. No ads. My only gripe, very short cords, and the light continuesly blinks the entire time it's on. Would rather just a solid light to indicate power is on and that it. ... show more
Reviewed in the United States on October 9, 2022 by Nick

  • Great for the newer generation of phones that don't include an audio jack.
I recently updated my phone to one of the newer Pixel phones. They stopped including a 3.5mm jack for headsets back when they released the Pixel 3/3XL and I needed something for work. I do a lot of traveling and listen to a lot of audiobooks. I used to use the AUX port with a wire to my phone, but that is no longer an option; and I don't have built-in bluetooth to connect to my new phone, so I got this. It works perfectly, surprisingly well actually. I toyed around with it and hooked my wired Sennheiser headphones to it to listen to some music from my PC and to my surprise the audio quality was really good! You can make any wired headphones into wireless with this. Now for what I needed it for at work: It's very light and small, charges fast, comes with the male to male audio jack connector and pairs and connects to your phone fast. The audio quality in the vehicle was great, I couldn't tell the difference from when I was able to use the AUX wire. The controls are simple and they work. Solid battery life. I haven't tested the mic a great deal, just on the PC. It's not the greatest mic you'll ever use but people were able to understand me just fine. The only thing I want to make clear is if you have a pair of headphones with a build-in microphone and you plug them into this adapter whatever you pair the bluetooth adapter to will not be able to utilize the mic. This is audio only except for the device's built-in mic. I don't think there are any devices in this category that are able to do that regardless. This is a handy device and I recommend it! ... show more
Reviewed in the United States on February 10, 2022 by Dustin

  • Works well, sounds good, long battery life
Got sick of using an aux cord so decided to recess he and try to find one of these, this one has the best reviews overall out of all the bluetooth - aux adapters i looked at on amazon, the sound quality is good and it sounds the same as using an aux cord, battery life is good, i listen to music almost every day in my car for ~10-30min and i only need to charge it like every 2-3 weeks. Always connects within 1-2 seconds of turning it on, dosent disconnect unless you walk away from your car with your phone too far, if i pop in a gas station it’s usually still connected but will disconnect if i go into a larger store like walmart or sum. if it does just turn it off and back on and it re connects. Good quality works well, if u need a bluetooth aux adapter i recommend this one, exactly what i needed. my only complaint is when the battery is low, below about 25% it makes a beeping sound every like 30 seconds it’s very annoying, just have to keep it charged, and it has a long battery life so joust keep an eye on it and don’t let it get below around 25% or it will beep every 30 seconds and annoy you lol ... show more
Reviewed in the United States on December 21, 2022 by Collin

  • Clear sound and easy to use!
Purchased this for my husbands rubicon jeep and it’s simple and easy to use. Great charge and comes through the speakers very clear as if it was the original radio!
Reviewed in the United States on August 6, 2025 by Gracie Payne

  • Great, inexpensive way to add bluetooth
Works perfectly, great price, never any problems connecting to it, can't speak on battery life as I have it plugged into a charging port at all times.
Reviewed in the United States on June 13, 2025 by Super Kaz

  • Easy set up and charge lasts a long time.
works great!
Reviewed in the United States on August 5, 2025 by Shaun

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