http://www.amazon.in/gp/offer-listing/B00MEI9Z34/

->18-ohm impedance transducers deliver extended powerful sound featuring extended frequency response and deep bass
->Optimum In-Ear canal fit with 4 sizes of ear adaptors providing high attenuation of ambient noise
->1.2 m tangle-free, elliptical cable with 3.5 mm right-angled connector
->Convenient carry case included
->Two year warranty when purchased from an authorized Sennheiser dealer


PC
3199@ https://paytm.com/shop/p/sennheiser-cx-3-00-wired-in-ear-headphone-black-COMSENNHEISER-CHEAD5713844497C00
3118@ http://www.ebay.in/itm/Sennheiser-CX-3-00-Black-In-Ear-Headphone-/191556295568
3098@ http://www.flipkart.com/sennheiser-cx-3-00-ear-headphone/p/itme3gjjcmr6kqm4(available for 1998 but new seller)
2969@ http://www.snapdeal.com/product/sennheiser-cx-300-in-the/631527012343
2899@ https://www.headphonezone.in/products/sennheiser-cx-3-00