Innovative housing design enables for easy adjustment and optimal wearing comfort with powerful 10mm drivers for sonic clarity, bass-driven stereo sound and good attenuation of ambient noise. Impedance 16?, Sensitivity (dB) 92db ±3db, Frequency Response 20Hz-20KHz boAt Bass Heads 225 polished metal earphones are designed to give you an experience that no other brand can match. It has an incredible sonic clarity with "super extra bass". With tangle-free flat cables, you are expected to be hassle-free. As the wired headphones feature 10mm drivers, they give you clear sound with that thumping bass. In-built noise-canceling mic ensures you don't miss those important calls. With colors that match your style in your day, these earphones are the ideal choice for anyone who can carry that attitude. Define your style with the colour of your choice