Instruction: Answer the given question by extracting information from the supporting document.

Input:
Question: use with phone?
Document: I bought this to use with my smartphone and I am on phone all day. It is very hard on ears, microphone doesn't pick up properly pick up and the other party can't hear well unless you speak loud. I wouldn't recomend this to anyone as music via Bluetooth is not good either.
I use these everyday at the gym. They sound great! The lossless bluetooth really works, unlike other brands that distort the music.They do make my ears sweat. but that's what I'm there to do anyway. I don't find the volume particularly loud but I mostly listen to internet radio on my phone and it is not as loud as actual music on my phone. Turning them on and off can be a little tricky, other than that I love them.
Nice to have a blue tooth connection in a head phone but after using it for a while it feels heavy and uncomfortable. It has 2 years of Manufacturer warranty which is pretty good, and the sound is pretty impressive too but it could have been little louder. It has some cool features like you can answer your phone,change your track and manage the volume via the head set, and if your charge is dead you can still use your head phone with the cable that comes in the box which I think is really nice feature.
I really loved these headphones. Out of the box they worked perfectly. I'm an average headphone user and just liked to use them when I was working at my desk, or talking a walk down the street, etc. They paired easily and were easy to turn on, and I loved the fact that I could control them from the ear unit itself without having to fiddle on my phone. And also they just looked good on me! Really liked the style that went into developing them.I was so impressed with them that I recommended them to a friend of mine who was looking for Bluetooth headphones.
In other words, if you press the Home button to bring up Siri, you will not hear Siri's voice feedback or confirmation beep in the Klipsch headset, and your voice will only be picked up via the phone's built-in mic, not via the Klipsch.I'm quite disappointed at this lack, especially given the hefty price tag, as I use the voice control functions and Siri control on my other cheap BT headsets very frequently when the phone is out of immediate reach. Bluetooth was obviously added to this unit as a $100 afterthought, and not fully implemented.
I am a big lover of the Klipsch sound, as I have three surround sound architectural systems, the 2.1 set on my PC, and the $100 Android ear buds. I was really excited to get these BT headphones. The problem is, it is an annoying amount of bass with music, and less highs than a typical Klipsch system. They work superbly for talking with my Panasonic BT wireless phone system and with my Android phone, but as an "avocation" musician, I thought I was getting a high end pair of easy to use headphones for my music recording also, and that is not the case.
I listen to many music genres  House Dubstep DnB as well as Reggae Bachata Salsa Latin Jazz and these sound fantastic on both electronic bass heavy and non electronic music .I have not own them long enough for proper burning (I did notice better sound quality on the wired version after about 60 hours of burn in ) . I have sound enhacement and sound amplification apps howere the max volume is more than enough but not as loud as the wired version.They feel very comfortable for 2 hours of use more than that I cant comment.I knew these did not have NFC capabilites when I decided to purchase but that would have been a nice addition.I have made several phone calls to mobile phones and landlines and my callers have not complained about sound or have a notice any difference compared to not using bluetooth.I would not recomend using these headphones in an area where there is a lot of traffic since they do block a lot of outside sound.
Plastic piece connecting the ear phone to the headband broke. Audio with the iMac is awful with a Bluetooth connection. Very expensive and as it turned out, not worth it.
Overall it is not bad for a blue tooth head phone under $150, If you are looking for a good head phone with decent sound and you have a limited budget this is perfect for you.
The sound is par with klipscht trademark. So, you like them a lot. But if you wear them on a pillow and you happen to turn your head, you will break them, or if you remove them hastily to answer the phone you might get the same surprise.
Answer: Yes I personally have mine paired with my iPhone, and two different iPads.  It can only connect to one device at a time but it is able to pair with multiple devices.