Enhanced Audio & Noise Cancellation - Equipped with 3-microphone array, UCH30 intelligently blocks over 96% of background noise. It selectively captures your voice, providing a new level of clarity with reduced human voices and sudden noises even in challenging environments. Every call is crystal-clear, anytime and anywhere with AENC Voice Protection to protect your hearing, especially for frequent headset users | Busylight - This wired headset goes beyond audio excellence by featuring an innovative integrated 360° visible Busylight, offering real-time visibility of your work status to others. The red light indicates Busy. When off, it shows your availability for conversation. Additionally, the flashing red light is an incoming call alert(only support Teams). The Busylight safeguards your focused zone and privacy and ultimately boosts your productivity | Easy Connectivity & Universal Compatibility - Plug and Play with the USB-A cable, no software required, one-step insert, making every communication experience effortless and enjoyable. Whether you're using a computer, laptop, or other compatible devices, it delivers consistent and reliable performance | In-Line Control - Experience heightened work efficiency with our handy In-Line Control, delivering an unparalleled audio experience at the press of a button. User-friendly and equipped with clear buttons-- Mic Mute/Unmute, Volume +/-, and MS Teams Call Answer/End | All-day-long Comfort - Adjustable headband, earcups, microphone boom with a lightweight body, and the skin-friendly leather cushion covering the memory foam are perfect for all-day use