headphone wireless/bluetooth looking for and a question about sound quality related to wired headphone?

[gaiastar]

Hi
 
 
i would like to buy headphone wireless/bluetooth to listening music with my smartphone and laptop (when i'm traveling on the train)
 
i have always used sennheiser headphones and expansive always plugged to my densen amply , and i have always considered wirelesss headphone incomparable to the wired headphone
 
but seeing my smartphone is all digital and my laptop will send music wireless or bluetooth digital ,i 'm thinking about to buy wireless/bluetooth headphone
 
i use foobar or aimp4 to play music always flac format or mp3 256kb
 
 
may i ask your opition about it?
 
thanks
 
and Hi to all , and sorry for my poor english