Lenovo Active Pen 1 with AAAA Battery for Lenovo Yoga, Miix, and FlexPad | eBay
ZG38C03408 original Lenovo Active Pen 3 - sparepartworld.com
Amazon.com: Lenovo USI Stylus Pen, Chrome OS Support, 4,096 Levels of Pressure Sensitivity, 150 Days Battery Life, AAAA Battery, Works with Chromebook, GX81B10212 : Electronics
Lenovo Active Pen for Miix, Flex5, Yoga & More | Lenovo US
Amazon.com: Active Capacity Pen for Lenovo Touchscreen Laptop for Yoga C740/C940/720/900S/920, Miix 510/520/700/720, Flex 5/6, ThinkPad X1 Tablets Replacement for GX80K32882 GX80N07825 : Electronics