Lenovo Rechargeable USI Pen for 300e/500e Chromebook Gen 3 - Active - Black - Notebook Device Supported

Integrated storage and charging in Chromebook Up to 40 minutes active use for one single fully charge USI protocol supported Chrome OS Up to 4096 levels of pressure sensitivity Rapid charge 60s for 95% and 4 minutes for 100% charge at 150mA charge current Diameter: 5.5mm