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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) - Newegg.com
New 2.4G Wireless USB Optical Presenter Pen Mouse Adjustable 1600DPI 4 Keys Mini Mice for Tablet Laptop PC Desktop Smart TV Box|Mice| - AliExpress
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Happyline" Wireless Optical Pocket Pen Mouse, Lychee 2.4GHZ USB Wireless Optical Pen Mouse 800/1000/1200 DPI Adjustable Handwriting Mini Air Mouse Mice for PC Laptop Notebook Computer Mac - Walmart.com
7 Best Pen Mouse for Navigating, Drawing, and Presenting [2021 Edition] - Ergonomic Trends