1、Speaker sound adjustment+microphone mute+6‑speed line sequence adjustment, 330° rotating head card, 330° swing arm microphone. 2、Business‑grade broadband headsets can achieve clear calls and acoustic shock protection, can be used for phones in call centers and offices. 3、With high‑definition audio sound, it can ensure that the call center, office and home PC chat can communicate clearly even in a noisy environment. 4、Wideband audio solutions provide natural and clear hearing. Anti‑acoustic shock can block sudden sounds to protect hearing. 5、The ultra‑comfortable phone headsets are equipped with soft protein artificial leather ear pads, which are user‑friendly and hygienic. 6、The adjustable headband is suitable for different head sizes. The earmuffs can be rotated and worn all day. 7、Designed with reinforcing line, which can withstand harsh environments and prevent sharp objects for daily use.