Usage & Functional Install the battery and work directly, No need bluetooth connection. Featuring fast recognize device by touching the screen. Right-click function Enable Right-click function by pressing the top of the button on the pen and touch the screen. It works for various of app & operation. Eraser function Keep pressing the bottom of the button on the pen. It allows you to erase what you've written without diving into menus. What's Included 1* Active stylus pen 1* Extra replaceable nib 1* USB data cable 1* Nib clip 24/7 Online Support.