- The Lenovo USI Pen 2 Magnetic works with USI 2.0 on Chrome OS, making it a great match for your Chromebook- With 4,096 pressure levels, you can write, sketch, and shade with a natural pen-on-paper feel- Its magnetic design keeps the pen securely attached, so it's always within reach- The tilt feature gives you precise control, ideal for drawing, annotating, and creative work- The comfortable grip ensures smooth, effortless strokes during long sessions