· The soft split-leather ear pads help prevent fatigue and the large size will fit comfortably around almost any set of ears.· The 50mm drivers are 25% larger Than most headphone drivers which helps them produce a solid 15Hz 25kHz frequency response with Deep and rich bass clean and sparkly highs and expressive vocals.· Professional sound from everyday headphones. Looks great anywhere you go· Enjoy clean robust sound across the Audio spectrum. Sensitivity 94db ± 3db· Perfect for mobile devices hafiz and Audio/video production