WIDELY COMPATIBLE - The Penoval USI pen is compatible with Lenovo Duet 3 / IdeaPad Duet 3 Chromebook (11', 7), Google Pixel Tablet, and all other Chromebooks which support USI protocol. TYPE-C FAST CHARGING & ALUMINUM ALLOY - Up to 90 hours of usage time when you charge it for 50 mins. The stylus pen is made of aluminum alloy, making it sturdy and long-lasting. MAGNETIC ABSORPTION & PALM REJECTION TECHNOLOGY - Using our stylus, you can write or draw smoothly having your palm on the touch screen and never worry about leaving any stray marks. STURDY CONE-LIKE TIP - Our unique cone-like design solves an annoying problem for most users unstable writing. Our stylus pen is also wear-resistant and easy to replace if you break it. 4096 PRESSURE POINTS - Use our stylus pen for touch screens to precisely sketch and shade with 4,096 pressure points that respond to the lightest touch. Create your masterpiece with high accuracy and great details.