Magnetic Attachment & Auto Pairing - Adonit Neo Ink magnetically attaches to Microsoft tablets and stays securely in place during transport. Hang it on your tablet and you're good to go. No Bluetooth pairing required. Incredibly easy to use and ready when inspiration strikes. Tilt & Pressure Sensitivity 4096 To mimic true handwriting, the lines will appear thicker or thinner depending on the force you press with Neo Ink during drawing. The replaceable pressure sensitive tip mimics true handwriting, making digital note taking as family as pen and paper. Designed for Windows:Certified by Microsoft Pen Protocol, Adonit Neo Ink provides a key stylus solution for the Windows tablet. Compatible with Windows 10 and Microsoft Surface 3/Surface PRO 3 or later. Two Shortcuts Buttons: quickly and easily erase the size of the brush or cancel a wandering stroke. Package Included Adonit Neo ink, USB-C cable, 2 replacement tips, 1 tweezers, user manual.