Just you and your favorite songs. The Edifier W820NB Plus headphones are equipped with dynamic 40mm drivers for crystal clear and richly detailed sound. I use hybrid ANC noise cancellation technology, which effectively reduces noise to as low as -43 dB. The built-in microphones allow for unobstructed conversations, with a runtime of up to 49 hours. The carefully thought-out design ensures dreamlike comfort. Fall in love with music all over again Immerse yourself in the sounds of your favorite songs. The W820NB Plus have built-in LDAC codecs and have been certified for Hi-Res Audio, meaning they meet the highest audio standards. They also feature 40-millimeter drivers with a titanized composite diaphragm, which, combined with hybrid ANC technology, will allow you to fully focus on the beautiful music you're playing. With the W820NB ...