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
Active Pen 2 W/bluetooth For Lenovo Miix4/4 Pro Miix 5/5 Pro/5 Plus Miix 510/520/525 Miix 700/710/720/630 S2 Yoga 5th Stylus Pen - Tablet Pen - AliExpress
Lenovo IdeaPad Miix 510-12ISK (80U1) original Active Pen - sparepartworld.com
Lenovo IdeaPad Miix 510-12ISK (80U1) original Active Stylus - sparepartworld.com