The Logitech G502 HERO is a popular gaming mouse because it has a number of features that gamers find useful. Here are a few reasons why it’s so popular:

1. High Precision: The HERO sensor in the G502 HERO is one of the most advanced sensors on the market, providing gamers with exceptional precision and accuracy. This makes it perfect for fast-paced games where split-second decisions are critical.

2. Adjustable Weight System: The G502 HERO also comes with an adjustable weight system, which allows gamers to customize the weight and balance of the mouse to their liking. This can help to reduce fatigue during long gaming sessions.

3. Programmable Buttons: The G502 HERO has 11 programmable buttons, which can be customized to perform specific functions in games or other applications. This can give gamers a competitive edge by allowing them to perform complex actions more quickly and efficiently.

4. Ergonomic Design: The G502 HERO is designed to fit comfortably in your hand, with textured grips and a shape that accommodates different grip styles. This can help reduce hand fatigue during long gaming sessions.

5. RGB Lighting: The G502 HERO features customizable RGB lighting, which can be set to match the aesthetics of your gaming setup or to indicate specific in-game events.

Overall, the Logitech G502 HERO is a high-quality gaming mouse with a range of features that appeal to a wide variety of gamers. Its popularity is due to its combination of precision, customization, comfort, and style.