Yealink TEAMS-BH76-CH-BL-C Teams Certified Bluetooth Wireless Stereo Headset, Black, ANC, USB-C, Includes Charging Stand Rectractable Microphone, 35 hours battery life. Features - With Business and Stylish Appearance - Multiple Microphones Acoustic Shield Technology - Ultimate Music and Calling Experience - Visible Busylight for Ultra-wide Angle - Multi-functional Wireless Charging