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Anker Bluetooth Stereo Audio Music Receiver Adapter and Transmitter

Anker Bluetooth Stereo Audio Music Receiver Adapter and Transmitter

Product Description

Advance your trendy old-school media devices into the Bluetooth era – why replace them?

Receiver: wirelessly connect to speakers, headphones and more.

At a simple 3.5mm-connection to your non-Bluetooth speakers or headphones, you can stream music wirelessly from your host devices (smartphones, tablets, laptops) as if by magic. Enhanced tunes at your fingertips – enjoy them in a fresh new way.

Transmitter: wirelessly connect to media players, e-readers and more.

With a simple 3.5mm audio connection, give your media players (MP3, CD / DVD players, car audio systems, TVs), and e-readers Bluetooth connectivity. Stream music from the music players, and audiobooks from your Kindle Fire, to your Bluetooth-enabled speaker – all in a convenient, wireless way.

Minimalistic & simple.

At 2.0 x 1.4 x 0.5in and 1.7oz, the Anker Bluetooth Transmitter and Receiver connects to your device without adding much bulkiness. The mode switch lets you shift between transmitter and receiver mode at a single push.

Customer Reviews

  • No Noticeable Delay
  • As per other reviewer, I expected the product to have an audio delay but its not noticeable. If I watch normally without trying to see if there is a delay, you wont notice it. I gave it 4 stars because the bass was breaking up if its too loud. I dont know if it is due to my Sony headphones. I connected this also to my Onkyo headphone connector with a 3.5mm adapter.
  • 2014-12-17

DJ Exquiz
  • Very good - at least so far!
  • I purchased this device after buying a pair of JBL EB40Bt JBL E40BT White High-Performance Wireless On-Ear Bluetooth Stereo Headphone, White headphones and realizing that I had no way to hook my "wireless" headphones up to my TV (wirelessly at least). As someone who has used audio equipment for years I didn't realize until recently just from reading reviews on Amazon that there were affordable bluetooth transmitters like this available. I already purchased Amazon's Bluetooth receiver, but who knew Anker (and other companies ) made affordable bluetooth transmitters/receivers. I also own an Anker USB charging hub, so I have had positive experience with Anker's products.Pros/ConsI'll start with the Cons because I'll address the obvious complaint which is one about the latency of the audio.1) Yes there is a slight amount of latency about a fraction of a second when compared to the native speaker audio coming from my TV, but it is not an unacceptable amount, and this is despite the fact that my audio is being streamed first through an Orei DA21 Optical SPDIF/Coaxial Digital to RCA L/R Analog Audio Converter with 3.5mm Jack Support Headphone/Speaker Outputs converter and then the headphone jack is plugged into the ANKER Bluetooth transmitter, so anyone who knows about Digital to Audio conversion knows that first the digital output is being converted to analog and then back from analog to digital again, and despite this the audio latency for me is only minimal from my TV to my headphones, so far not a real big deal.2) The device can run off battery but you seem to be better off running it off power from the Micro USB cable, the battery life seems okay so far but if you are going to use it extensively I would probably use it with plugged in power.3) It may not be suitable for live music streaming monitoring, I considered maybe using this to wireless headphone monitor my gear during DJ or PA gigs, but in a live music situation any delay or latency is no good for performances ( haven't tried it for this purpose yet though).PROS:1) I am impressed by the transmission range, I've received a clean single through several rooms (about 20 plus feet through doors) when my JBL Flip's signal would start to clunk out the next room over.2) I've been able to pair this device with my JBL E40BT headphones with no problem, and the audio quality so far has been very clean and clear.3) I've only set it up to use as a Bluetooth transmitter so far, since I already have a BT receiver, and it has been solid, but will update if the performance of the device changes or doesn't hold up.
  • 2014-12-17

  • Works just like it said it would and haven't had a problem ...
  • Works just like it said it would and haven't had a problem with that sense pretty good product. I just wish it had a APTX.
  • 2014-12-16

  • A nice little device
  • A nice little device. I got use it while exercising, it works perfectly with my current headphones. My phone auto connects when I turn it on. Sound quality is fine, but given my environments and quality of headphones I am not qualified to review it on those marks. It also works as a car audio receiver, but would lack the mic of a purpose built unit. Overall I have been pleased so far.
  • 2014-12-16

  • I have not tried it yet I have played with ...
  • I have not tried it yet I have played with it but I've not tried it on my TV so far so good
  • 2014-12-14
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Latest Post

Bluetooth receiver transmitter
How many devices can this transmitter conect to and if it can connect to multiple devices, what is the process?
Replies(2) Collapse Report as spam Dec 16, 2014 at 7:42 PM
It can only be paired with a single device at a time.
Reply Report as spam Dec 16, 2014 at 11:00 PM
This is a really nice product. I have used it successfully for quite a while. It is not the design nor fault of the Anker transmitter tha it can only connnect to one device at a time, it is the way the current Bluetooth standard is. Be patient, multi-device compatibility is coming soon!
Reply Report as spam Dec 17, 2014 at 2:44 AM
Number of connections
I have the Anker Bluetooth Stereo Audio Music Receiver Adapter and Transmitter and am wondering how many devices can be paired with the device at a time.Any help would be appreciated.
Replies(2) Collapse Report as spam Dec 10, 2014 at 12:50 PM
I have this adapter and, because of current Bluetooth standards, only one device can be paired at a time.
Reply Report as spam Dec 10, 2014 at 3:57 PM
They won't be able to pair with more than one device at a time. Sorry if this is an inconvenience for you.
Reply Report as spam Dec 10, 2014 at 9:00 PM
Can I use it for Siri on my iPhone ?
Hi ... Can I use it for Siri on my iPhone ?
Replies(2) Collapse Report as spam Dec 7, 2014 at 9:46 PM
We're not really sure at what you're trying to attempt here!

If you could get in touch with our customer service guys at and let them know exactly what you need then they'll be able to help further.
Reply Report as spam Dec 8, 2014 at 4:00 AM
Abdallah Osama ElMenoufy
This is a transmitter/receiver for your music, device to device baired using Bluetooth not to hear your voice like the microphone., you can't use it with Siri then  
Reply Report as spam Dec 8, 2014 at 4:45 AM
MB221 send Aud. SIMULTANEOUSLY to 2 Dev?
Hi.My Samsung Galaxy 5 is where I store and play all my music from.  Unfortunately, the Samsung Galaxy 5 BlueTooth Profile will not allow me to **Connect** [Not "Pair"] SImultaneously to two different LogiTech UE Boom Speakers.  I can connect to Both Speakers simultaneously under the following conditions: One of the speakers is using the "Audio" BT Profile Only, and the other is using the "Phone" BT Profile Only.   The minute I try to Set the connections for BOTH speakers to Audio streaming, then I can Connect only one of the Speakers at a time [the other automatically disconnects]..Soooo - I'm looking for a BTR Transmitter that I can connect to my Samsung Galaxy 5 and then, using that device's BT Audio Stack, SIMULTANEOUSLY **Connect** to Both of my LogiTech UE Boom Portable BT Speakers.Would the Anker MB221 Dongle do what I want?Doug SheltonPhone: 510.8746.8565eMail:    
Replies(1) Collapse Report as spam Nov 29, 2014 at 11:55 PM
If we understand your set up correctly then probably not. The transmitter will only pair with a single device for data transfer.

If we haven't answered your question properly then give our customer service guys a shout at, they'll be able to help you further.
Reply Report as spam Nov 30, 2014 at 10:30 PM
Solved a need that I had
This review is for the combination transmitter/receiver, which shares very little in common with the receiver-only version other that they both receive a Bluetooth signal. Some of the reviews don’t make that clear and may not be reviewing the product you are looking for.This unit is switchable, which means it will either transmit OR receive a Bluetooth signal, but not at the same time. There are surprisingly few Bluetooth transmitters on the market compared to the large number of Bluetooth receivers, and there is logic behind that … most people want to send the signal from their phone or tablet to a non-Bluetooth amplifier/speaker.  That’s what a receiver does, it receives that signal from a Bluetooth-enabled device and allows the amplifier/receiver to play it.A transmitter does the reverse, it converts a line-level (earphone jack) signal from a device that does not have Bluetooth capabilities and sends it to a speaker/amplifier that does have Bluetooth built in.My need for buying this was to permit a home audio system in one room across an open floor plan in my house to another Bluetooth-enabled amplifier to play background music for parties. The two systems are line of sight from each other but the house design does not permit an easy way to string cables between the two. Bluetooth is not known for being extremely high fidelity, but that was not necessary, it’s only background music and the noise of the guests drowns it out anyway.Operating it is extremely simple. Plug it in to the earphone jack of your device, set your Bluetooth-enabled device (that can be headphones, a speaker, an amplifier, etc) to pair and the two with recognize each other. There are no other settings or controls.The transmitter/receiver is very tiny, about the size and thickness of a paper matchbook. It operates using a non-replaceable internal rechargeable battery. And that is the only thing that prevents it from being perfect. Anker’s receiver-only is a little cube with an AC power plug built in so you can leave it plugged in 24/7. That would have made this the ideal device, if it physically matched the receiver-only and had the built-in power plug. It is not practical to have to recharge it regularly. It seems it would have been so easy for Anker to have added a fold-out AC plug.It does work as expected and as expected the sound quality isn’t great but adequate. I like it and rate it as 4-stars. If it had been a little more versatile it could have earned 5-stars.[Note that Anker’s product description that this is a “Stereo TV Transmitter” is misleading. I knew what it was when I bought it and didn’t expect it to transmit a TV video signal, but someone not knowing that could interpret the description as literally meaning it is a TV transmitter. That did not affect my rating but I would hope Anker would correct that.
Replies(5) Collapse Report as spam Nov 25, 2014 at 1:44 AM
Heck of a review!
Reply Report as spam Dec 1, 2014 at 2:47 PM
Thanks for the compliments. I know it always helps me when I read a review that gives a real life use application for a product and compares it to other choices.
Reply Report as spam Dec 1, 2014 at 4:29 PM
Nice review!! I actually never knew that there was a difference in batteries with the receiver-only unit and this unit!
Reply Report as spam Nov 25, 2014 at 10:22 AM
I'm very happy to see that Anker is listening and will discuss customer suggestions.
Reply Report as spam Nov 25, 2014 at 2:13 PM
Thanks so much for taking the time to leave the review, we really appreciate it.

We'll discuss all your feedback as well and hopefully it'll lead to an improvement for us and our customers.
Reply Report as spam Nov 25, 2014 at 4:30 AM
Pairing Two Devices Together?!
Hi,is it possible to pair two of these togehter (one on rx and one on tx) ? 
Replies(1) Collapse Report as spam Oct 27, 2014 at 3:41 PM
Yes, it is!
Reply Report as spam Nov 11, 2014 at 3:49 AM
Anker bluetooth audio trnsmtr & rcvr
Unit goes into pairing mode imediately after powering up without a second push of the MFB.
Replies(1) Collapse Report as spam Oct 24, 2014 at 1:02 PM
Has it previously been paired with another device? If this is the first time you're pairing it then this will happen.

Please give our customer service guys a shout at, they'll be able to help you further.
Reply Report as spam Nov 11, 2014 at 3:49 AM
Bluetooth Transmitter/Receiver battery?
Is the USB cable that this unit comes with for recharging an rechargable battery?  Can you just leave it hooked up with the USB cable and not worry about having to change or charge batteries?
Replies(2) Collapse Report as spam Oct 15, 2014 at 6:09 PM
Andy Faulkner
Reply Report as spam Oct 16, 2014 at 5:46 AM
Unfortunately the receiver will not function whilst it is charging so you'll need to remove the cable to use it.
Reply Report as spam Nov 11, 2014 at 3:49 AM
audio lag. with bluetooth tx/rx
is there anything I can do as far as the lag time from my TV to my compuyer, or is that just the nature of the beast?
Replies(1) Collapse Report as spam Oct 2, 2014 at 1:40 PM

Unfortunately with Bluetooth there may be a short lag for the data communication.

If you're noticing a significant lag though it could indicate a fault. Please give our customer service guys a shout at for further help.
Reply Report as spam Oct 3, 2014 at 12:30 AM
input probs
what can I use for a sterio in put on my computer. the only 3.5 input is the mic. pin and I think it would be mono.
Replies(1) Collapse Report as spam Oct 2, 2014 at 11:19 AM

The receiver can output in stereo.
Reply Report as spam Oct 2, 2014 at 10:00 PM
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