Genius MousePen 8”x6” Free Drawing Tablet - Corel Painter 8 & Pen Suite | eBay
Genius Pen Mouse review - The Gadgeteer
Wireless Optical 2-in-1 Digital Pen Mouse & Stylus, Adjustable 800/1200/1600 DPI, Ergonomic Mouse for Laptop Notebook Desktop
Sadocom 2.4GHz Wireless Optical Mouse Pen, Handwriting Pocket Pen Mouse, Adjustable 800/1200/1600 DPI with Type C and Micro USB Adapter, Ergonomic Mice for PC Laptop Tablet Mobile Phone (red) Keyboards - Newegg.com