boAt Bass 225 polished metal earphones are designed to give you an experience which no other brand can match. It has an incredible sonic clarity with "Super Extra Bass". It is not a plastic earphone - It is polished metal. With tangle free flat cables, you are expected to be hassle free. As the headphones feature 10mm drivers, they give you clear sound with that thumping bass. In-built noise cancelling mic ensures you don't miss those important calls. With colors that match your style in your day, the boAt earphones are the ideal choice for anyone who can carry that attitude. Just plug them in and plug into nirvana.