4 buy it if this is your budget limitnmi576 | 29/09/2008 | See all nmi576's reviews (9)Used a few wired headphones before but decided to go for a wireless one because the cable always get tangled up in the chair's legs.Build quality is great, the frame doesn't rattle at all, the headphones are lightweight.The best thing about them is how comfy they are. With the previous headphones my ears always started to hurt after a few hours of continuous use or I got this burning feeling in my ears.But these Sennheiser ones are brilliant, I can have them on my head for hours and hours without even noticing them. Yes, the frame is bulky but for a reason.No problems with battery life (2xAAA) or cable length (because there isn't any).Ok, let's see the two downsides, the reason why this baby only got 4 stars from me.First of all, the sound is crisp and clear even from far away or close up but the bass could be much stronger or adjustable.Second, the main unit (you have to plug it into the 220V outlet and the sound card of course) has the useful function of automatically turning on when it receives signal (sound from the PC) and turning off when there is no signal (after a good couple of seconds, to save battery time). The bad news is the headphones do not have these functions built in. You have to turn them on with a small switch on the left unit which is fine but when you finish listening to music or playing games and leave them on your head then the main unit switches off but the headphones don't. What you'll get is an annoying and fairly loud hissing noise.If you can live with these two cons. then these are great quality and comfortable headphones. If I were to use the same budget limit I would buy these again.