SONRU Bluetooth Aux Adapter for Car, Wireless Audio Receiver, Portable Hands-Free Kit with RCA AUX 3.5mm for Home/Car Stereo Music Streaming Sound System

SONRU

SONRU Bluetooth Aux Adapter for Car, Wireless Audio Receiver, Portable Hands-Free Kit with RCA AUX 3.5mm for Home/Car Stereo Music Streaming Sound System

Name: SONRU Bluetooth Aux Adapter for Car, Wireless Audio Receiver, Portable Hands-Free Kit with RCA AUX 3.5mm for Home/Car Stereo Music Streaming Sound System
Brand: SONRU
SKU: 37530
Availability: InStock

$25.99

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Categories: Audio & Sound Devices, Electronics, Home Audio, Wireless & Streaming Audio, Wireless Audio Receivers & Adapters, Wireless Audio Receivers & Adapters,Electronics

Description

Price: $25.99
(as of Feb 11, 2026 16:09:01 UTC – Details)

Product description

headline SR03

Mini Bluetooth 5.0 Receiver, Aux Wireless Audio Bluetooth Adapter for Car.Portable Hands-Free Car Kits for 3.5mm Audio Devices, TV and Home/Car Stereo Music Streaming Sound System (aptX,A2DP).Support Bluetooth Profile: HFP/HSP/A2DP/AVRCP.

Better Wireless Sound: Bluetooth V5.0 support stable Bluetooth signal, up to 30ft Bluetooth working range. A2DP pure sound delivers high-quality stereo audio in real time.

Play your music: The Bluetooth stereo receiver compatible with all devices with 3.5mm AUX interface. Provide wireless crystal music and clear phone call for home/vehicle audio systems, or wired headphones.

Enhances Calling Experience: Built-in sensitive microphone support clearer hands free calling . The improved mic could capture more of your voice, and the adhesive securing the Bluetooth AUX adapter to an ideal position.

Easy Control: One button control, simply Play/Pause music, Answer/End/Reject calls and Redial the last called number without using the smartphones.

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Dual Connection The mini Bluetooth receiver adapter connected with two Bluetooth devices at the same time

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Longer Battery Life 12.8 Hours working time means you can enjoy music and calling for almost the entire day before next recharge. Your long road trips will never be boring.

pack
Super Mini Size Bluetooth 5.0 Receiver*13.5mm AUX Audio Cable*1AUX to RCA Audio Cable*13.5 mm Metal Audio Adapter*1USB Charging Cable*1User Manual*1

How to Use?

Note:

To power on this Bluetooth receiver please press the multifunction button about 3 seconds until the blue and red indicator lights start flashing alternately.

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Customer Reviews

4.3 out of 5 stars 6,315

4.4 out of 5 stars 632

4.4 out of 5 stars 244

4.4 out of 5 stars 2,834

4.0 out of 5 stars 147

Price

$25.99$25.99
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$21.99$21.99
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Receiver Mode

✓
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✓

LED Screen
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LED Display no data
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LED Indicator Display

Button Control

✓

AUX Connection

✓
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✓

RCA cable included

✓
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no data

✓

Bluetooth 5.0

✓
Bluetooth 5.3
✓

✓
Bluetooth 5.2

Usage Time
12.8H Plug and play 16H 15H 15-20H

Transmitter Mode
no data

✓
no data
no data

✓

【ADVANCED BLUETOOTH 5.0 RECEIVER】: A solution for cars with non Bluetooth capabilities, enjoy handsfree calling, GPS and streaming music while in driving. It’s also connect with older home audio systems and wired headphones via 3.5mm aux cable/adapter to help you enjoy the wireless
【CLEAR HANDS-FREE PHONE CALL】: Hands free future makes calls super simple when driving, you can Answer/End/Reject calls and Redial the last called number on this BT audio adapter. Enjoy wireless stereo music and no more worry about missing any calls
【DUAL CONNECTION & WIDE COMPATIBILITY】: The mini bluetooth receiver adapter connected with two bluetooth devices at the same time, the bluetooth range up to 33ft without obstacles.It ideal for home or vehicle audio systems, compatible with most bluetooth enabled devices like smartphone (both iPhone and Android), MP3, CD player, tablet, etc
【RELIABLE CONNECTIVITY】: Equipped with the latest bluetooth 5.0 for faster and more stable connectivity, it supports A2DP, AVRCP, HSP, and HFP. No need to tolerate the problem of signal cuts in and out
【LONG PLAY TIME & QUALITY WARRANTY】: SonRu bluetooth adapter is up to 12.8 hours nonstop music streaming, radio, GPS or handsfree phone calls, and 250 hours standby time

Reviews (13)

13 reviews for SONRU Bluetooth Aux Adapter for Car, Wireless Audio Receiver, Portable Hands-Free Kit with RCA AUX 3.5mm for Home/Car Stereo Music Streaming Sound System

JasoninOK – February 11, 2026

Very effective bluetooth reciever in a super small form factor
I bought this to use with the aux port in my vehicle in order to stream music and audio books from my phone. It has been surprisingly effective for my needs and I will be permanently mounting it on my dash. The battery life has been very good. I’m not sure how long it lasts because I haven’t taken any long trips since it arrived but I have not run the battery down yet. I was skeptical initially because I have had terrible experiences with many other bluetooth devices but this one seems to be a great choice so far. I do recommended a shielded charging cable and possibly a shielded aux cable if you plan to charge it while listening because there is a noticeable hum with the cables it comes with. The price point is very good and even if you replace the cables you would still be at a great value. The sound quality is equal to or better than playing directly through the aux cable. Also wanted to mention it is very simple to use and pairs quickly without hassle.
MNathanson – February 11, 2026

Bought it Again!
I just bought this for the 2nd time after having used the same model continuously for almost 8+ years! The original one held up well, but the battery understandably deteriorated over time. But it has been so good, I didn’t think twice about ordering it again! It’s easy to set up, mount and operate. Very straightforward, very reliable and very sturdy. Highly recommended!
Bruce Chrystal – February 11, 2026

It’s easy to set up and it works!
I don’t write a lot of reviews but I just have too on this nifty gadget! I’ve got a 2011 plain Jane Civic LX that I’ve been trying to hook up the car radio thru a 3.5mm auxiliary port so I could somehow connect my phone (I’ve got Spotify with nearly 2000 song) to it and hear my tunes! If your in the same boat look no farther my friend! It was easy to pair to my phone and once plugged in off we went! That means I also have Sirius XM,Pandora,and I- Heart if I want as well. In my case the charger cord takes the same as my key fob so we’re all set! I highly recommend!
Taylor – February 11, 2026

Affordable Compromise
I exclusively use this product for my car. It’s so tiny the amount of places it can go really has no limits, personally I decided the glove box was the best. Bought a 5 ft aux cable to run from the head unit to the center console and there is a USB outlet right next to it. I see other reviews that say the audio is bad but to my ear it’s great, but keep in mind I’m not using the in box aux.Latency seems to be almost zero which is amazing for watching a video while in the car.The only con is that there is no “car mode” you physically have to turn on and off the unit or your phone will connect if you are close enough even though the car is off. Not really a con just the nature of using the device like this. Maybe having it to where there’s a mode that if the device isn’t being changed the BT is turned off.Overall 20 dollars well spent
S. Jamieson – February 11, 2026

Great little device for the price
Great little device for the price. Setup was painless, and I liked that it comes with double-sided adhesive for easy dash mounting. You can connect the aux directly to the unit or use the included cable if you want to place it elsewhere, which is a nice option. The aux and charging cables are both plenty long. My phone pairs automatically after holding the button for a few seconds. One press mutes, two presses redials the last call. Call quality is clear and sounds good overall, I do have to adjust the volume around a bit, but not an real issues
SNT – February 11, 2026

A large circular flashing blue light that never stops
I bought this for my old truck with an aux input. It works fine and sounds the same as a cable input. No complaints on sound quality or operation. However, for some insane reason, someone thought it would be a good idea to have the thing flash a large circular blue light the entire time it’s on. Not just a simple on/off light but an incredibly annoying flashing light that never stops. So if your jam is to have a mini strobe light going off in your face while driving this might be the Bluetooth dongle you’re looking for. Of course there’s always duct tape. That solves every dumb problem.
Felix Jovel – February 11, 2026

Impressive!
I’ve tried a couple of other Bluetooth converters and this is by far the best! The sound quality is better than a cable connection. My only critic is the blinking “on” light. Can be a little distracting but easy to get use to. I highly recommend this product.
Chloe Davis – February 11, 2026

Buy this for someone you hate
I never thought a simple Bluetooth aux product could be more annoying than helpful, but this tiny piece of electronics far exceeds anything I’ve ever anticipated – and not in a good way.The sound quality is okay, and it does take very little space. However, the battery doesn’t seem to last very well – at least, it becomes an annoying beacon to your own recklessness to ever allow a battery to drop below 50%, in which it proceeds to interrupt any music playing to remind you of this every few seconds even if you have it plugged in and it’s below that percentage. Want to enjoy music? Too bad, guess you’ll have to wait for a full charge and prioritize this tiny piece of plastic over your own life and demands.Also, it flashes a vivid, pulsating, non stop blue light whenever it’s on. It’s brighter than a cop’s hood light and you might risk impersonating one if it somehow ever got on top of your car. It could probably be seen from space, and it’s feisty and won’t ever stay flipped in a position where it’s both useable and not blinding everyone in the car.While this next critique is a minor inconvenience, not having buttons to change the song easily and has some weird secret handshake to answer a phone call became more burdensome for the risk of a sleek look that does even matter because everyone immediately shuns this annoying thing.If you buy this make sure it’s only for a person you detest but for some reason have to keep in your life to the point gifts are required.
Peter – February 11, 2026

Edit: Company was A++. They sent me a replacement super fast. So far the replacement is trucking along just fine. The one I originally bought that went completely dead must’ve been a one-off manufacturing defect. Hey, it happens to the best of companies. Battery life is much better this time around on my replacement device, sound quality is good-superb just like before. No pops or static or anything. Very clean. Range is excellent as well. Sometimes I’ll forget to disconnect my phone when I stop somewhere and get out with it to go into a store to pay for gas or something and I’ll come back into the car and the podcast/music will still be playing. As in it never lost the signal at an estimated 50-80ft plus range. Just my everyday use review. Not sure on its max range. It’s a good product for its price. And if there’s an issue customer service is prompt and dedicated.——————————————————————Sound quality was good. Battery life was meh. It would last I estimated 3-4 hours max before it needed to recharge. But I only had it just over a week of light use and it just wouldn’t turn on again one time. It died and went kaput. Spend your money on something else that’ll last you more than a week or two.
Murray – February 11, 2026

Pretty good device for the price. Easy to install, and came with double sided adhesive to install on the dash. You have the choice of plugging in the aux connection directly into the device or use a cable to be able to move put the device anywhere. The aux cable as well as the charging cable are nice and long. I strapped them up with a zip-tie to avoid dangling cable. My cellphone connects automatically to it when holding the button for a few seconds. Press once to mute or twice to call the last recent number. Sound quality is good during calls. Only downside is see at the moment. Phone call volume is all the way up, but I have to crank up the radio to hear. Once the call is done and the music comes back up, it is crazy loud and I quickly have to turn it back down.
Peter Moore – February 11, 2026

Works great. Quick connectability. Easy to use. Very happy with battery life. Would buy again.
Kiera – February 11, 2026

I hate AirPods and having to buy specific Bluetooth headphones. I got this and now I don’t have to buy all new earbuds and headphones!Plus it has multiple cords so if you don’t like having the Bluetooth connected right next to your head, you can choose the long cord. It also has the old aux (red and white) hookup.Sound is great so far and I’m used to having full perfect quality. Haven’t tested the battery life yet but the set up was quick as any other Bluetooth hookup 🤷‍♀️. Great so far. Glad I got it. Good way to avoid that buy all apple trap.
Lamalgan – February 11, 2026

I like this because I can use it for my car stereo and my old headphobes that I love. I used it for a 5 hr car trip and it lasted no problem and there was still charge left when I used it the next day. It connects easily to all my devices and sounds really good.

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