Das Keyboard 4Q (Certified Refurbished)

All Certified Refurbished orders are non-refundable. Certified Refurbished products are pre-owned, certified to be free of defects, and come with a 30-day limited hardware warranty. If the product is defective or does not work, a replacement will be sent. Please refer to our guarantee page at www.daskeyboard.com/guarantee This keyboard is compatible with Windows and Ubuntu.  The Das Keyboard 4Q is the smart RGB Cherry MX version of the iconic industry-standard Das Keyboard 4 Professional. It is the ultimate innovation tool that keeps programmers focused on creating software and operating at the highest level of concentration. No more unwanted interruptions. Instead of relying on snooze-able, momentary alerts from different devices, the Das Keyboard 4Q ambiently tracks the most important information directly on its RGB keys. Users can configure it for their needs. For example, if your website is down or you have been assigned a new task, or if the software build fails, the Das Key