These are really good little earphones, especially if you have an iPhone/iPod/iThing though they work fine without one.
Usually see them for £50ish RRP and £35ish on sale.
I have a pair myself and they are quality.
Smart in-line remote control with microphone – change the volume, control your music-playing options, answer or end calls and activate Voice Control for Apple users
Feel the beat with bass-driven Sennheiser sound
Effective noise blocking – ear-canal design for effective passive attenuation of ambient noise
Comfortable custom fit – 3 sizes of ear sleeves (S/M/L) supplied
Made for the latest generations of iPod, iPhone and the iPad