1、Speaker sound volume adjustment + microphone mute + 6‑speed line sequence adjustment, 180° rotating head card, 330° swing arm microphone. 2、The ultra‑comfortable phone headsets are equipped with soft protein artificial leather ear pads, which are user‑friendly and hygienic. 3、The adjustable headband is suitable for different head sizes. The earmuffs can be rotated and worn all day. 4、Wideband audio solutions provide natural and clear hearing. Anti‑acoustic shock can block sudden sounds to protect hearing. 5、Business‑grade broadband headsets can achieve clear calls and acoustic shock protection, can be used for phones in call centers and offices. 6、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. 7、Designed with reinforcing line, which can withstand harsh environments and prevent sharpened objects for daily use.