Samsung Galaxy Note 4 - Manual (Page 34)

Phone Basics 23
S Pen
Use S Pen and your phone to create and collaborate. With S Pen, you can:
n
Write directly into a Gmail message.
n
Write directly on the calendar.
n
Annotate documents (Word, Excel, PPT, PDF).
n
Quickly open S Note from any screen.
Removing S Pen from Your Phone
S Pen is stored in your phone to keep it protected and easy to locate.
n
Slide S Pen from your phone using the notch on the end of the S Pen.