Sony MDR-XB250 On-Ear EXTRA BASS Headphones (Black)
Headphone Type Closed, dynamic
Driver Unit 30mm (Dome Type)
Headband Mold band
Sensitivity 98dB/mW
Frequency Response 5Hz-22,000Hz
http://www.amazon.in/dp/B00N...5O

Sony MDR-XB250 On-Ear EXTRA BASS Headphones (Black)
Headphone Type Closed, dynamic
Driver Unit 30mm (Dome Type)
Headband Mold band
Sensitivity 98dB/mW
Frequency Response 5Hz-22,000Hz
http://www.amazon.in/dp/B00N...5O