The HP ZBook x2 Pen (929983-001) is an active digital pen for input on the HP ZBook x2 G4 Detachable Workstation. It supports drawing, note-taking and application navigation, bringing pen input to those everyday tasks.
Its listed dimensions are 163 × 9 mm, and it weighs 12.3 g. This compact form is suited to handling alongside the workstation. The listing identifies this specific pen for the ZBook x2 G4, so its stated use is tied to that device.