Amazon.com: Broonel Black Fine Point Digital Active Stylus Pen - Compatible with Lenovo Chromebook C340 2-in-1-11.6" : Cell Phones & Accessories
New 4096 Levels Original Bluetooth Stylus Pen For Lenovo Ideapad C340 Yoga Duet 7 7i 9i Laptop - Tablet Pen - AliExpress
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