Microsoft's Surface Pro 4 tablet and Surface Book laptop officially go on sale today. That also means Microsoft is selling some new accessories for both products, such as the revamped Surface Pen and the Type Cover made for the Surface Pro 4. Both got the spotlight in newly revealed TV ads.

The commercial for the Surface Pen shows how it works with both the Surface Book and Surface Pro 4. In addition to its high-end writing and drawing capabilities with 1024 levels of pressure, users can click it once to open the Windows 10 OneNote app, or double-click it to get a screen grab.

Buy the new Surface Pen at the Microsoft Store / $59

The Type Cover for the Surface Pro 4 gets its own commercial, showing off its improvements in its keys, its 40 percent larger trackpad and the optional fingerprint reader that allows users to log-in via Windows Hello.

Buy the Type Cover for the Surface Pro 4 at the Microsoft Store / starting at $129

Source: Surface (YouTube)