The Kinesis Advantage2 provides it all, a completely customizable keyboard wrapped in an ergonomic package. The Kinesis Advantage2 Contoured USB Keyboard for PC and Mac is the ideal solution for users looking to stave off carpal tunnel syndrome and other injuries caused by poor working arm posture. This unique Keyboard will be your choice if you desire the ability to customize a keyboard with your own macros. The SmartSet engine with a 2 MB capacity supports over 100 large macros. You can view and edit all macro layouts to easily keep track of any changes made. The macros are stored as a basic text file for easy sharing. Switch between QWERTY or DVORAK layouts in no time, without having to make any sacrifices. Concave key wells reduce hand and finger extension, while palm supports enhance comfort and reduces extension of the wrists and the low-force cherry mechanical switches offer comfortable typing with a great tactile touch. Vertical key layout arranges keys in columns to reflect the natural motions of your fingers and the 10-key layout eliminates the need to stretch your arm out to reach your keypad.