Ergonomic adjustments include: 3-point rotation for location flexibility; rotates 135° at base, 180° at center and 90° at monitor Tilt angle adjusts 85° up / 15° down for proper viewing, Up to 15 max height from worksurface to center of monitor, Up to 21 max extension from base to mounting bracket Large-capacity wire management conceals cords and cables Includes Vesa mounting bracket to support 17-inch to 30-inch monitors Supports Dual USB 3. 0 located in the base of each unit