Sennheiser CX 500 In-Ear Headphone with Volume Control - OEM
Specifications
Sound isolation passively blocks out external noise, meaning you can keep volume a little lower and save some ear strain. Like most isolating earphones, the CX 500s use silicon tips. They're extremely comfortable and Sennheiser provides various sizes to ensure you get the snuggest fit. With the correct tip, these 'phones seal sound in nicely and go practically unnoticed with their light weight.
Also, thanks to their small enclosures, the 500s are unintrusive and as the top model in their range, the cable has an in-line volume control -- a big plus for joggers and gym-goers. It's part of a generally very good bit of cabling; wires are reinforced at every pressure point to avoid damage to the internal wiring.
Note: This is an OEM (Original Equipment Manufacturer) product and not Company manufactured/packaged.