Sturdy aluminum frame clamps securely to your desk for mounting displays -90° to +90° tilt, -90° to +90° swivel and 90° rotation help you find the perfect angle Base includes a USB 3.0 port and dual 3.5 mm audio ports for connecting peripherals Durable aluminum flex arms blend into any decor and support up to 15.4 lbs. each VESA compliance ensures compatibility with 75 x 75 and 100 x 100 mounting patterns