USB-C Ultra-fast Charging and Smart power managementAvoid the hassle and waste of disposable batteries. Just 20 minutes of charging provides enough power for 50 hours of use. A 1-hour charge can last for more than 100 hours. With the Smart power management design, the pen will turn off automatically after 10 minutes of non use. Tilt Sensitivity & 4096 Pressure Sensitivity SupportedMPP 2.0 Technology helps to precisely sketch and shade with 4,096 pressure sensitivities that respond to the lightest touch. Raphael 520C with tilt sensitivity allows the artists to shade just like a real pencil when the stylus is tilted at an angle. *Tilt sensitivity compatibility is subject to the apps and pen brushes. Palm Rejection Function & Ergonomic DesignPalm rejection capability allows you to rest your hand comfortably on the screen without interfering the stylus use. With a 9.2 mm diameter, a streamlined design, and weighing only 14 grams, this stylus is easy to use for extended periods of time. Made of premium aluminum alloy, make the pen lightweight and durable. Magnetic Attach and Original Surface Pen Tips SupportedJust like Original Surface Pen 2017, the Raphael 520C attaches to Surface*, you can carry the pen on the LEFT side of Surface Pro/Go/Book. * Surface Pro 9/Surface Pro 8/Surface Laptop Studio not supported. Come with original quality HB-type and 2H-type pen tips, they provide gentle friction just like writing on the real paper. Compatible with Surface Pro 9, Surface Pro 8, Surface Pro 7+, Surface Pro 7, Surface Pro 6, Surface Pro 5, Surface Pro 4, Surface Duo/ Duo 2, Surface Pro X, Surface Go/Go 2/Go 3, Surface Book/Book 2/Book 3, Surface Studio 1st Gen, Surface Studio 2, Surface Studio 2+, Surface Laptop 1/Laptop 2/Laptop 3/Laptop 4/Laptop 5, Surface Laptop Studio. *Not compatible with Surface Laptop Go, Surface Laptop Go 2 and others touch screen computers not on the list.