Contact Us With Any Question–YEALINK Warranty: 30 days money back, 60 days free return, life time warranty. This Package including 1pcs headset , 1pcs 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. All-Day Wearing Comfort –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. Light Weight& Portable – Yealink UH34 Headset is just 5 oz, no matter in your case or bag, always convenient. The 3.5mm lets you connect Yealink headset with your personal device, such as a PC or tablet, so you can work or listen to music, radio, talkshow, wherever you are. Wide Compatibility– 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 Win8/Win10/XP, or MacOS operating system. High-Quality Audio Experience - Made for calls and music, UH34 Wired Headset is kitted out with a high signal-to-noise ratio speaker and independent cavity design. The passive noise cancellation creates a richer and clearer conversation with reduced background noise.