All-Day-Wearing Comfort All-Day-Wearing Comfort Based on extensive research and analysis to meet the highest ergonomic standards, the UH42 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 Flexible and Fast Plug-and-Play As a wired headset, the UH42 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. 1-Mic & AI Noise Cancellation 1-Mic & AI Noise Cancellation The noise-canceling microphone reduces outside noise so that the listeners can focus more on the desired sound at hand. The nearby talkers are protected and have the privacy of most calls as well. High-Quality Audio Experience High-Quality Audio Experience With a 35 mm speaker, UH42 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.