【High Quality Speak And Hear Experience】The USB headset can pick up your voice more accurately, allowing your friends to hear you more clearly. This is great for online classes, Skype chats, call centers, webinar presentations, offices, businesses, Rosetta Stone, Dragon Talk, conference calls, and remote work. | 【Long-lasting Comfort，5oz Lightweight】USB headset with microphone is not only light but also ergonomically designed, which can be adjusted freely according to different head shapes to ensure that everyone can find the most comfortable wearing method. The earmuffs are soft and fits snugly to the ears without causing any pressure on the ears. It is very suitable for long-term wearing, and you can enjoy long-lasting comfort whether you are working from home,studying or entertaining at home. | 【USB Connection】USB headset with microphone suitable for PC/Tablet/Mac/iOS/laptop /Android phone and other devices with USB port. | 【Busylight For Fewer Interruptions】no disturb, wherever you work. When you're on the call, UH37's busylight will turn on automatically, or you can turn it on manually. Block out outside distractions and begin working immersively whenever and wherever you like. | 【Contact Us When Any Question】 YEALINK Warranty: 30 days money back, 60 days free return, life time warranty. This Package including 1pcs headset with USB, 1 pcs user manual, More than 2,000,000 users have a good conference experience with YEALINK, Redefine Your Workspace