Stereo speakers Codec supports 7.1 (via HDMI through optional Docking Station) HD Webcam (front-facing, 2MP) Array microphones Dolby Home Theater v4 USB 3.0 x1 (green, SuperSpeed) Audio jack (3.5mm, 4-pole, stereo out / mic in) Approximate Size: 278.5 mm x 178.85 mm x 19.5 mm / 10.9" x 7" x .80" Approximate Weight: 962g / 2.1Lbs