Lenovo Active Pen 2 Miix 510 | Lenovo Active Pen Yoga 520 | Active Pen Lenovo Thinkpad - Tablet Pen - Aliexpress
Amazon.com: PRO Stylus Pen Works for Lenovo Miix 510 with Ink, High Accuracy, Extra Sensitive, Compact Form for Touch Screens [3 Pack-Black-Red-Silver] : Cell Phones & Accessories