USI Pen

Lenovo USI Pen (4X80Z49662) is a digital pen for taking notes, writing and sketching on supported ChromeOS devices. It uses the USI protocol, and its pressure-sensitive input also suits fine art and graphic design.

The pen offers 4,096 pressure levels for varied strokes. It measures 9.5 × 9.5 × 137.3 mm and starts at 16.5 g. It runs on one AAAA battery with a nominal voltage of 1.5 V. The box includes the pen with battery, a user guide and common warranty.