Xiaomi SmartPen Special Edition Black Pencil The Xiaomi Smart Pen has a slim body, great grip, and is lightweight and comfortable to hold. A comfortable grip Using a magnetic attachment Your Xiaomi Smart Pen can be fully charged in as little as eighteen minutes. 150 hours of fully charged battery You can write for seven hours with just one minute of charging. * XIAOMI PAD 6 AND PAD 6 PRO COMPATIBLE WITH XIAOMI PAD 5, PAD 5 PRO, AND PAD 5 PRO 12.4