Use Lenovo Integrated Pen (For L13 Yoga Gen 3 And S2 Yoga Gen 7 Only) - Lenovo ThinkPad L13 Yoga Gen 3 User Manual

Notebook mode Stand mode
Tent mode
Tablet mode

Use Lenovo Integrated Pen (for L13 Yoga Gen 3 and S2 Yoga Gen 7 only)

The garaged rechargeable electronic pen enables a more precise and easier way of writing and sketching.
https://support.lenovo.com/us/zh/videos/vid500146
Right-click button
Eraser button
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Chapter 2 Get started with your computer