XP-PEN G540 5.5x4 inch Graphics Drawing Tablet Pen Tablet for OSU with Battery-Free Stylus Gameplay Designed for OSU! Gameplay, Drawing, Painting, Sketching, etc.. You do not need to install any driver to use the tablet for OSU! The XP-Pen advanced Battery-free stylus does not require charging, allowing for constant uninterrupted Draw & PLAY. It is also designed to have a big impact on the user's creativity and not on our environment. It is the perfect replacement for the traditional mouse. Active Area: 5.5 Inch x 4 Inch utilizing our 2048-level pen pressure sensitivity. G540 provides more active area for Drawing & Gameplay! The G540 is designed to fit your drawing and playing lifestyle, down to it's smooth rounded corners comforting to the touch. Compatible with Mac & Windows, including all major graphics applications such as Corel Painter, CorelDraw, Adobe Photoshop, Adobe Illustrator, etc.