Blaupunkt wireless headphone BH21 is ergonomically designed over the ear headphone, which creates good seal around your ears & hence offering better Noise isolation. The 40mm large Aperture Driver pumps out more sound with higher fidelity and BH21 provides you 24 Hrs of talk time in a single charge. Battery which we loaded in here is big & super efficient. In-Built Equalizer mode give you option to choose between Blaupunkt Music & turbo Boost modes, which gives your music better reproduction & greater clarity and more bass. Built- In mic & multi-function button design you more control. Dual pairing mode of BH21 enables to connect with two devices at once and its each earpad here is cushioned with soft high-grade material to make it extremely comfortable