Item Type: Stylus Pen Material: Aluminum Alloy Battery Type: 1 Aaaa Battery Required (not Included) Pressure Sensitivity: Level 4096 All in One Button: Eraser and Right Click Context Applicable Models: for Surface Pro 6/5/4/3 Go Book Laptop Studio1Applicable Scene: Wide range of applications, suitable for Surface Pro 6/5/4/3 Go Book Laptop Studio. 2Two Interchangeable Nibs: Equipped with two different interchangeable nibs, no need to worry about nib wear, easy to replace. 34096 Levels Pressure Sensitivity: High accuracy use, 4096 level pressure sensitivity, allowing painting, writing, and notes to restore the real writing experience. 4Simple Operation: No BT connection required, can be used with 1 AAAA battery (AAAA battery not included). Simple to operate and easy to use. 5Button Function: All in one buttons, shortcut eraser and right click contextual functionality.1 x StylusPen 2 x Nib 1 x Nib Changer 1 x User Manual