I bought this sennheiser earphone 3 months ago.....from amazon ...the sound quality from this earphone is very clear pleasing to your ears has a very good bass and trable ....i use it very roughly ....in the gym but the wire quality is good it won’t break orr stitch easily you also get the warrenty from sennheiser if you want to purchase these earphones go get it....without any hesitation totally value for money