If you also work a lot on the MacBook, you are much easier with a Keypad. With the external number keyboard, numbers can be added, subtract, divided and multiply - or whatever you intend with numbers and numbers. External digit keyboard for convenient and fast numerical inputs on PC and Mac/MacBook compact, flat construction formus bond operating system: Windows 10/8/7/Vista/XP and for Mac OS version 10.6.2 or higher connection: USB 1.1 Dimensions: width x depth x height 8.8 x 12.7 cm color: silver color: silver.
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