✅ WIDELY COMPATIBLE - The Penoval USI 2.0 stylus pen is compatible with some SPECIFIC Chromebook Model. Please check the model list in the description to ensure compatibility. Some commonly compatible models include Amazon Fire Max 11, Google Pixel Tablet, Lenovo Duet, and more, which are listed in the compatibility section. ⚠️Not all Chromebooks supports USI 2.0 Stylus. It’s only for certain Lenovo, Acer, HP, ASUS model. Please check the compatible list in on product description.❓How to find your model number? 1️⃣Check on the packaging when your Chromebook arrived. 2️⃣Check the bottom of your Chromebook. Most Chromebooks come with model number printed on the back or on a sticker. 3️⃣ Check the shopping history on the platform you have purchased your Chromebook. ✅ TYPE-C FAST CHARGING & ALUMINUM ALLOY - Compared to the previous version of USI, this recharging model makes it more environmentally friendly & reusable. 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. Our customers, especially stylists, love this and the magnetic absorption, as this dramatically improves their writing experiences compared to other styluses. ***Note : Not all chromebooks support magnetic absorption