The Yealink UH46 is a professional USB wired headset designed with excellent craftsmanship and comfortable materials, ensuring all-day comfort. Additionally, the UH46 features advanced three-microphone noise-canceling technology, delivering exceptional noise reduction performance. Whether you're in the office or working from home, the UH46 helps you stay focused and boosts your productivity.3-Mic & AI Noise Cancellation The three-microphone noise cancellation and acoustic shield technology can intelligently shield the noise and only pick up the speaker's voice to send it. It helps improve the call's clarity and quality and brings the ultimate calling experience. All-Day-Wearing Comfort Based on extensive research and analysis to meet the highest ergonomic standards, the UH44 has undergone hundreds of head shape evaluations and thousands of comfort tests to ensure optimal stability and comfort for long-term wear. Additionally, the materials used in the headset guarantee its durability and robustness.Flexible and Fast Plug-and-Play As a wired headset, the UH44 is plug-and-play, allowing quick and easy use. The product is compatible with mainstream phones and PC devices on the market, enabling users to get into their work quickly.High-Quality Audio Experience With a 35 mm large speaker, UH44 supports dynamic EQ to automatically switch between call and music modes. You can enjoy clear and natural sound quality in call mode and spacious and detailed sound quality in music mode.