Microsoft Audio Dock: 200Hz~8kHz for conferences, 70Hz~20kHz for music playback One USB-C® (USB3.1 Gen 2, 7.5 W power) DP alt mode is supported up to Dual Display. One A single USB-C® (USB3.1 Gen 2 data only, 7.5 W power) One USB-A 3.2 (Gen 2 USB-3.1) 1 4K@60Hz HDMI 2.0 port MST support for HDMI and USBC ports USBC PD charging (up to 60 W) is supported. Two arrays of omnidirectional microphones, USB-C, matte black, 0.685 kg, Microsoft Teams button, mute button, and volume up button Operating systems: MacOS, Windows 10, and Windows 11 Home/Pro * Conference software: Google Meet, Zoom, Microsoft Teams, First, the Microsoft Audio Dock 2. AC cord and power supply unit 3. Quick Start Manual 4. Safety and warranty paperwork, measuring 167.6 x 80.2 x 81 mm, with a one-year guarantee