Model O- vs g203 review and comparison (in comments) : r/MouseReview
Amazon.com: Logitech G203 Prodigy Wired Gaming Mouse, 8,000 DPI, RGB, Lightweight, 6 Programmable Buttons, On-Board Memory, Compatible with PC / Mac - Lilac : Video Games
Amazon.com: Logitech G203 Prodigy Wired Gaming Mouse, 8,000 DPI, RGB, Lightweight, 6 Programmable Buttons, On-Board Memory, Compatible with PC / Mac - Blue : Video Games