The Yealink BH76 Plus Bluetooth Wireless Business Headset features a sleek look, ultimate audio quality, unparalleled wearing experience, retractable hidden microphone boom technology, three levels of active noise cancellation (ANC) and Yealink Acoustic Shield Technology supported by multiple microphones. With soft memory foam and an ergonomic over-ear design, the BH76 Plus is comfortable to wear all day long. In addition, ANC and passive noise cancellation provide an impressive noise cancellation experience no matter what noisy environment. The BH76 Plus offers two different wearing modes: on-ear and over-ear. The user can choose the wearing mode to have the most comfortable wearing experience.