Bluetooth Receiver, LAICOMEIN Portable 3.5mm Aux Car Adapter, Bluetooth Wireless Audio Receiver for Car/Home Stereo/Wired Headphones/Speaker, 16H Battery Life
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Availability:
In Stock.
Arrives
Saturday, Mar 21
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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 5.3 & 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 0.4 inches
Item Weight: 0.5 ounces
Item model number: J33
Batteries: 1 CR5 batteries required. (included)
Wireless communication technologies: Bluetooth
Connectivity technologies: Bluetooth
Special features: 3.5mm aux, Built-In Microphone, Fast Charging, Hands-Free Calls
Other display features: Wireless
Human Interface Input: Unknown
Color: Black
Manufacturer: LAICOMEIN
Date First Available: September 15, 2021
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Mar 21
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Financing through Apple Pay
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Top Amazon Reviews
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
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Reviewed in the United States on April 8, 2022 by Travis Wertz
This Bluetooth receiver works perfectly! The sound quality is clear with no lag, and it pairs instantly with my devices every single time. I love how compact and easy to use it is — just plug it in and it’s ready to go.
Reviewed in the United States on December 10, 2025 by Yaleydi Isasi
I found this LAICOMEIN Bluetooth receiver very practical and easy to use. It connects quickly, the sound is clear and uninterrupted, and the battery lasts much longer than I expected. I use it in the car and also with my wired headphones, and it instantly makes any device wireless. Small, functional, and very useful—an excellent buy for the price.
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Reviewed in the United States on October 30, 2025 by Yisel Medina
I primarily bought this LAICOMEIN Bluetooth receiver to make my old, beloved wired home speakers wireless, and it performs brilliantly. If you have an excellent sound system that only has a 3.5mm jack input, this adapter is a simple, cost-effective way to bring it into the modern era. The 16 hours of battery life is truly the standout feature. When using it at home, I can move the receiver around or keep my speakers connected for days without worrying about charging. It connects quickly to my phone and the audio quality is clear, with no noticeable loss of fidelity—it truly makes my old speakers Bluetooth compatible without any fuss. The controls (for volume and answering calls) are easy to use, and the portability means I can even use it with different sets of headphones if I choose. My only, minor complaint (and why it gets 4.5 instead of 5 stars) is that the charging cable is noticeably short. While this isn't a huge issue for an adapter that holds a charge so well, you'll definitely need a standard, longer USB cable if you want to charge it comfortably from a wall socket or a less-accessible USB port. Overall: If you want a reliable, rock-solid Bluetooth receiver to upgrade your existing wired home stereo or speakers, this is a fantastic choice. Highly recommended!
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Reviewed in the United States on November 14, 2025 by krishnaveni r.
Fantastic little Bluetooth receiver! I bought this for my car (or my old stereo system) and it works flawlessly. The connection is instant, the audio is crystal clear, and the hands-free calling (thanks to the built-in mic) works great. The multipoint pairing is a nice bonus. Very easy to use and excellent quality for the price. Highly recommend
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Reviewed in the United States on October 26, 2025 by Vane palma Vane palma
Very easy to use and connects instantly. The sound quality is clear, the battery lasts long, and it works perfectly in the car or with any old speaker. Highly recommend!
Reviewed in the United States on October 16, 2025 by Fretna vizcaino Alzugaray Fretna vizcaino Alzugaray
It’s perfect for older monitors or speakers, and the sound quality isn’t altered at all which was my biggest concern. I also love that it’s wireless and has a strong range. I can walk into different rooms with my phone and the audio still sounds great. The battery life has been impressive so far. I’ve used it multiple times and haven’t had to charge it yet. It also automatically turns off if it’s not in use for a while, which is a great feature for saving battery. Definitely a solid product for the price.
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Reviewed in the United States on February 13, 2026 by Amazon Customer
⭐️⭐️⭐☆☆ (3/5 stars) Works in a Pinch, But Not Great This Bluetooth receiver technically works, but the connection is spotty and inconsistent. I used it in my car and with wired headphones—sometimes it connects fine, other times it drops or stutters. Battery life is decent, and the compact design is convenient, but overall it feels like a temporary fix rather than a long-term solution. If you need something quick and cheap to get audio going, it’ll do the job. But next time, I’ll wait and invest in something more reliable. Pros: Compact and portable 3.5mm jack fits most setups Decent battery life Cons: Unstable connection Audio dropouts Not ideal for consistent use Meh overall—okay in a pinch, but not something I’d recommend for daily use.
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Reviewed in the United States on October 11, 2025 by Michael B.