Lenovo Yoga 520-14IKB (81C8) Original ThinkPad Pen Pro - ipc-computer.de
Amazon.com: Stylus Pen for Lenovo Yoga 520/530/540/740/940 Tablets, EDIVIA Digital Pencil with 1.5mm Ultra Fine Tip Pencil for Lenovo Yoga 5/6/7 Stylus, White : Cell Phones & Accessories
MWC 2017: Lenovo Yoga 520 and 720 support Active Pen 2 — Surface Pro Artist