Only Compatible With: MacBook Air 13" - All year version. MacBook Pro 13" & 15" - Year 2012-2015(Retina). Coming Soon... MacBook 12". MacBook Pro 13" 2016-2018. MacBook Pro 15" 2016-2018. Windows Laptops. What is Nums? The World's 1st Ultra-thin smart numeric keypad for MacBook 10 key function. What it can do? 1.It transforms MacBook trackpad into a MacBook 10 key. 2.It launches your favorite Apps, Websites, Folders and Files with just a swipe from your trackpad. 3.It launches Calculator App in 0.2s and starts to input as a numeric keypad. 4.It protects your delicate MacBook trackpad from scratches and other damages. Work Efficiency Nums improves work efficiency significantly. It enhances number typing speed by 2.3X and launches Apps 31% faster than the MacBook keyboard alone. Software Upgrade Nums comes with an application powered by patented algorithms. It has unlimited updates and improvements to bring you more functional experiences. Trackpad Protector Nums vacuum coating protects MacBook trackpad from scratches and other damages. With Aluminosilicate mineral glass material, Nums numeric keypad is more resistant and durable. Even just protecting the MacBook trackpad is valuable. Honors: 1.Red Dot Design Awards: BEST OF THE BEST. 2.Winner of Japan GOOD DESIGN AWARD 2017. Numeric Keypad Specifications: Size: 11.4×7.6×0.05 cm. Pakage Size: 18.2×12.3×1.8 cm. Materials: Aluminosilicate mineral glass. Package: 1×Nums MacBook number pad.