NVIDIA SHIELD DirectStylus 2
The only stylus powered by NVIDIA Tegra DirectStylus 2 technology NVIDIA DirectStylus 2 technology brings the image-processing power of the NVIDIA Tegra K1 mobile processor to the SHIELD tablet. It can analyze up to 300 scans a second to capture the detailed movement of the stylus and recognize the difference between the fine-tip stylus for smooth ink and fingers and palms.