Over-the-head mono wired headset delivers professional audio for calls and music Dual noise-cancelling microphones with Acoustic Shield Technology reduce background noise while capturing your voice clearly 35mm speaker with dynamic EQ automatically optimizes audio quality for clear calls and immersive music Compatible with major Unified Communications platforms and integrates natively with Yealink devices Integrated busylight indicates busy status during calls and meetings, aiding in minimizing interruptions Ultra-lightweight, ergonomic design with a metal-reinforced frame is approximately 15% lighter than previous-generation USB headsets Soft leather headband and oval-shaped memory foam ear cushions provide all-day wearing comfort and a skin-friendly fit