Part Number 4XD1V23301 Product Description Certified by Microsoft Teams for open office, ThinkPad Dual-Mode Wireless ANC Foldable Headset 8550 (Aura Edition) redefines best-in-class portable headset for hybrid work, featuring a foldable, lightweight design that’s effortless to carry anywhere. Adaptive hybrid ANC and AI-powered ENC keep distractions at bay, letting you enjoy crystal-clear calls and immersive sound for next-level focus. Sound by Bose technology delivers expertly tuned audio for both calls and music. Connect with tap or via Bluetooth® Receiver- productivity on the move has never been this seamless. Top Features Microsoft Teams certification for open office; Sound by BOSE for the best sound quality; Quick access to Lenovo AI Qira; USB-A or USB-C Bluetooth audio receiver for plug and play; Touch panel for volume/media/ANC control; Adaptive with wearing sensor; Up to 51 hours of playback and 24 hours of talk time; Replaceable earcups & Removable battery; LADM and LAFM software support; 3 years limited base warranty