The Lenovo Dual-Mode Wireless ANC Headset 6550 is a black, on-ear closed-back device designed for professional environments. It offers versatile connectivity through Bluetooth 5.3 and a USB-C wireless receiver, allowing you to move freely within a 30-meter range. To keep you focused in busy settings, the headset features hybrid active noise cancellation with three distinct modes and is Microsoft Teams Certified for Open Office. Comfort is prioritized through an SGS certified pressure relief headband and earcups that swivel 135 degrees to fit your posture. The double-sided rotatable boom microphone uses an omnidirectional transducer and AI-powered environmental noise cancellation to ensure your voice remains clear. You can easily mute yourself by flipping the microphone up, while dedicated buttons handle calls and playback. With a 640 mAh battery, you get up to 60 hours of playback or 30 hours of talk time, and a full charge takes less than two hours via the USB-C port. Weighing only 165 g, this plastic-bodied headset is light enough for all-day wear. It also supports multipoint Bluetooth connections and LADM software for customization, while meeting hearing protection standards like EN50332 to keep your ears safe during long shifts.