http://adexmart.com/mobile-phone-accessories/8988-sony-mw600-hi-fi-wireless-headset-with-fm-radio-black.html Hi-Fi Wireless Headset with FM Radio Box pack, VAT bill. 1 Year manufacturer warranty ADCSDT200USE THIS COUPEN CODE GET DISCOUNT OF RS.200/- Sony MW600 Hi-Fi Wireless Headset with FM Radio Features: Wireless Hi-Fi Wireless Headset with FM Radio In-the-ear In-ear-canalphone Design Built-in Microphone 9.2 mm Headset Driver Units 4 mm Microphone Driver Units 10 Hz - 22000 Hz Headset Frequency Response 32 ohm Headset Impedance