HIGH QUALITY SPEAK AND HEAR EXPERIENCE - Within noise-canceling microphone and passive noise cancelation solution, Yealink UH36 headset have a greater productivity and decent sound performance for calls or entertainments. | CAMPATIBLE WITH ALL PC SYSTEM- Authorized by Microsoft Teams and Zoom, so you can choose UC or Teams Version. Also certified for Skype, Whatsapp, and the other popular online voice call services. Compatible with Win7/Win8/Win10/XP,or MacOS operating system. | LIGHT WEIGHT&PORTABLE - Yealink UH36 is just 155 Grams, no matter in your case or bag, always convenient. The 3.5mm jack lets you connect Yealink headset with your personal device, such as a smartphone or tablet, so you can work or listen to music, radio, talkshow, wherever you are. Also connect with PC by USB | CONFORTABLE WEARING -Designed for all-day, everyday use with Plush protein leather cushions. Plus, simply wearing them even so much noises, such as fitment voices, still keep you stay comfortable and connected stable. | CONTACT US WHEN ANY QUESTION-. YEALINK Warranty: 30 days money back, 60 days free return, life time warranty. This Package including 1pcs mono headset with 3.5mm AUX, 1pcs USB cable, 1 pcs collecting bag, 1 pcs user manual, More than 2,000,000 users have a good conference experience with YEALINK, Redefine Your Workspace