Logitech Touch Lapdesk N600 with Retractable Multi-Touch Touchpad Easier browsing for your laptop: Large (5-inch) built-in multi-Touch Touchpad makes web navigation smooth and seamless Heat-shielding design: Protects you from laptop heat so you can browse in comfort Wireless simplicity: No cord hassles - plug the tiny Logitech Unifying receiver into your laptop and start browsing All-in-one convenience: The Touchpad retracts inside your lap desk for easy portability PC compatibility: Fits laptops with up to a 16-inch display