Sennheiser RS 170 Wireless Headphones for Rs. 13993 Mrp: 19,990 http://www.flipkart.com/sennheiser-rs-170-wireless-headphones/p/itmczbxhwkvzhzyp Key Specifications 18 Hz - 21000 Hz Headphone Frequency Response Over the Ear Headphone Neodymium Magnet Circum-aural Headphones 110 dB/mW Headphone Sensitivity at 1 kHz Over the Head 32 ohm Headphone Impedance Price comparison :- @16,890 http://www.amazon.in/Sennheiser-RS-170-Wireless-Headphone/dp/B002TLT10I/ @18,990 https://m.ebay.in/mobinweb/itm/261627287211 @17173 http://www.snapdeal.com/product/sennheiser-rs-170/239830 @19,990 http://shop.rediff.com/product/sennheiser-rs-170-digital-wireless-headphone/12400400 @17,990 http://www.shopclues.com/sennhsier-rs-170-wireless-head-phone.html