SENSEX
NIFTY
GOLD
USD/INR

Weather

image 18    C

Hardware News

Engadget

Hardware / Engadget

details

Why do some USB connectors have those 2 square holes?

Some USB connectors, including USB-A, feature two small holes that have an important purpose. Other USB connectors lack these holes for a reason, too.

15 Nov 2026 10:15 pm