- 【Magnetic Attach】 Attaches to Surface Pro/Go/Book perfectly, you can carry the pen on the LEFT side of Surface Pro/Go/Book. *LEFT SIDE ONLY
- 【Ultra-fast Charging】20-minutes charging allows 90 hours of use.
- 【Palm Rejection Function】 Feel free to rest your palm on the surface without interfering the stylus use. Streamlined shape and 9.2mm diameter as slim as an Apple Pencil. Only 14g. You won't feel tired for using it the whole day.
- 【Tilt & 4096 Pressure Sensitivity Supported】MPP 2.0 Technology helps to precisely sketch and shade with 4,096 pressure sensitivities that respond to the lightest touch.
- 【Wide Compatibility】Compatible with Surface Pro 3, Surface Pro 4, Surface Pro 5, Surface Pro 6, Surface Pro 7, Surface Pro 7+, Surface Pro X, Surface Go, Surface Go 2, Surface Book, Surface Book 2, Surface Book 3, Surface Studio 1st Gen, Surface Studio 2, Surface Laptop 1st Gen, Surface Laptop 2, Surface Laptop 3, Laptop 4, Surface Duo.
The side buttons on the r520 stylus are programmable using a third party app called the Pen Tool. You can find it by clicking the link Pen Tool(The link only available in Windows)