- Compatible Models: This stylus pen is compatible with Microsoft Surface Pro X/9/8/7/6/5/4/3, Surface Book 3/2/1, Surface Go 3/2/1, Surface Studio 2/1, Surface Laptop 4/3/2/1, and Surface 3 tablets. - 4096 pressure levels and high accuracy: Supports MPP2.0 protocol for precise sketching and shading. 4096 pressure levels respond to the lightest touch, delivering a natural writing and painting experience. - Easy to use and quick charge: No app installation or Bluetooth pairing required. After a 20 minute charge, about 80 hours of use is possible. Full charging takes about 1 hour. Auto power-saving mode activates after 10 minutes of idle time; press any button to wake. - Magnetic attach: Magnetic adsorption design allows you to attach the pen to the tablet on the left side for quick storage on devices that support magnetic suction. Wherever you go, you can keep the pen with the tablet. - Use scenarios: Note taking and annotation during meetings or classes; digital drawing and concept sketching; document and slide markup for work or study.