Single-ear (monaural) wired USB model with a 32 mm speaker and 2 microphones with AI noise reduction. The boom rotates 285° and mutes when rotated. Busy light. The ear cushion is made of PU leather and memory foam, and the headband is padded. USB-C connector with USB-A adapter included. 2 m cable. Inline controls include a Microsoft Teams button. Black. Microsoft Teams Open Office certified.