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Amazon.com: Heayzoki Computer PS2 Wired Optical Mouse, Lightweight Ergonomic High Accuracy Gaming Mice with for PS2 Port Desktop Computer, Compatible with Windows 7/8/10/XP : Video Games
Amazon.com: Perixx Perimice-201 Wired PS2 Optical 3 Button Mouse with 800 DPI and Illuminated Wheel, Black : Electronics
SIS PS2 MOUSE
SANOXY USB to Dual PS2 Keyboard Adapter for Keyboard, Mouse SANOXY-VNDR-Dual-pS2-blu-2port - The Home Depot
1PCS PS2 To USB Adapter For keyboard Mouse Mice USB Female to PS/2 Male Adapter Converter Dropshipping - AliExpress
I59 PS2 auf USB Adapter Tastatur PS2 Stecker auf USB Buchse Konverter PC Maus | eBay
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NEW VINTAGE 3-BUTTON PS2 MECHANICAL MOUSE (Non-Optical) | eBay
Amazon.com: Belkin 3-Button Mouse PS2 Only. Black (F8E813-BLK-PS2)
Finally found one, Official PlayStation 2 USB mouse : r/gamecollecting
PERIMICE-209 WP - Wired PS/2 Mouse with Scroll Wheel and 1000 DPI in W – Perixx USA