Instruction: Answer the given question using the supporting document.

Input:
Question: Is it battery powered?
Document: I've purchased a couple of portable, battery powered bluetooth speakers on Amazon and they were very good. But I have two audiophile quality, floor standing Paradigm tower speakers hooked up to a nice Yamaha receiver that were gathering dust.That is why I purchased this adapter, to bring that setup into the 21st century and use with an iPhone and iPad. Because the speakers and amp are so good and revealing, I was concerned they would expose distortion from the bluetooth audio and make it hard to listen to.
The sound quality is pretty good, what I would hope for with a wireless Bluetooth transmission. The only improvements I can think of would be options of battery or USB power for the adapter and a case to keep it in when it's not being used.
What Logitech has done is come up with an inexpensive was to mimic the playability of music through controls found on more expensive systems like Sonos. This adaptor, when hooked to &#34;powered&#34; speakers, bluetooth enabled speakers, or speakers that run through a traditional stereo system, accesses the music on your phone or tablet.
First of all, I was shocked at how small this was. The photo here makes it look much larger than it is. This device fits in the palm of your hand. It also looks sharp and very modern. The subtle blue light when it is on is nice.After hooking this up to my TV (although you can hook it to PC speakers or anything with RCA inputs like a TV), I powered it on. It chimed with a nice musical note.
totally recommend it! works great, almost no quality lost! super easy to install and pair!
this item work great with android,  but not so great with istuff. istuff uses airplay not blue tooth and with this product it sounded like the music was in a box.
for a fraction of the cost of the entire setup, very much worth it.although I'm giving 5 stars, the range could be even better. Watch out if you have a big house or you're trying to control your music from a different floor.
Works as described! Works with iPod Nano, iPhone and iPad. Easy to pair and play my songs through my Denon receiver! Sounds great!
Works as advertised. Connects well without line of sight as long you are not too far.
Works Great! I hooked it up to my home stereo system and it synced with my I-pod and LG Phone with no problem and streamed music within a range of 30+ feet. I also hooked it up to our meeting hall sound system with no problem and streamed music Within a range of 65+ feet. Sound quality is more than adequate. Good investment for the price.
Answer: No it is not.  A/c powered with very small brick adapter.