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Introduction
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In the past videos, we took apart lots of USB-A and USB-C chargers, but it seems like we've never talked about the USB-B connector.
What it looks like, and how we can use it. Let's talk about it today.

Related Articles：
1. Why Gaming Laptops Don't Charge With USB-C?
2. Small Experiment | What Will Happen if We Forget to Remove the Cable?
3. Another Experiment | Will Wireless Charger Affect Multi-port USB Chargers?