About this item LAPTOP STAND & KEYBOARD RISE - Design for Laptop and Keyboard, Compatibility with MacBook Pro/Air 13 16, 10-17 inches Surface, Lenovo, Dell, HP, ASUS laptop and most of keyboard. ERGONOMIC DESIGN- 3°,11° and 16° three different angles to adjust, Suitable to different heights of people.Protect your neck and shoulders from pain, Reduce strain on your wrists and arms, improve typing accuracy and comfort. STABLE & GOOD HEAT DISSIPATION - laptop stand is made of high quality lightweight zinc alloy, triangular support. Non-slip silicone on the bottom and stand surface, more stable, Good heat dissipation function. FOLDING DESIGN - it has an invisible effect after folding, which will not take up your space, Suitable for carrying and business travel. PACKAGE CONTENTS - Packaging include 2 PCS Nillkin portable laptop stand Black.