LORELL Dual Monitor Arm with USB Charging Ports lifts dual monitors to ergonomic heights for more convenient and comfortable viewing. Desk clamp and grommet are both included, providing two easy mounting options for a more versatile work space. Keyhole pattern allows easy installation. Free-tilting design enables forward and backward monitor adjustment to reduce glare. Built-in spring tension mechanism, 360-degree rotary VESA plate and swivel ability deliver more viewing angles to meet your work space's needs - no matter the project. Smart base features USB-A and USB-C ports for data migration and device charging, and built-in cable management keeps your desktop organized and neat.