Rechargeable Battery - Keep working and creating with a active G3 pen that’s rechargeable through USB-C fast charging with 30 minutes charging for battery life of one week. LEDs cue you on charging status. Quickly launch apps and shortcuts. Take the Pressure off Digital Inking - Reduce the force required to use your pen when writing, drawing onscreen or working with your touch applications with improved starting and inking pressure vs. the previous generation. Easy to Use - Palm Rejection and Tilt operation function allow you to rest your hand naturally on the screen while writing. Once your device is paired and in range, it detects the pen and cues you where to place it onscreen. Erase, highlight, and click on your content with the two convenient side buttons. Two Built-in Side Buttons-Right-click and Erase. 4096 Levels of Pressure Sensitivity - The rechargeable active pen has an ultra-sensitive pen-point with 4096 pressure levels that natural onscreen note-taking, drawing, and app navigation. And it’s easier than ever to keep track of, with a built-in magnetic attach capability. Compatibility - Compatible with HP EliteBook x360 1030 G3,HP EliteBook x360 1030 G4,HP EliteBook x360 1040 G5,HP EliteBook x360 1040 G6; HP Elite x2 1013 G3; HP Elite x2 G4; HP ZBook Studio x360 G5.Warm Tips:Bluetooth pairing, software programming (Windows 10 required on paired device), and the digital proximity alert are supported on these products.