Convertible on-ear and over-ear design with replaceable ear cushions allows easy switching for optimal comfort and audio performance Wireless connectivity offers freedom of movement for office, home, or on-the-go use Three levels of active noise cancellation and dynamic EQ deliver immersive sound for both calls and music Five-microphone Acoustic Shield Technology filters out background noise and ensures crystal-clear voice pickup Dual-side visible busylights automatically indicate call status to help reduce interruptions Battery provides up to 40 hours of usage and supports both USB and wireless charging with an optional Qi charging stand Sleek look with retractable hidden mic arm combines style and functionality for a work-ready design