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Diego leaned back. His chair creaked. The antenna on his PC case blinked a faint blue LED—proof that the invisible signal was alive.

Diego closed all apps. He double-clicked the installer.

A click. A chime. Connected.

That Saturday, he powered down his PC, pressed the power button to drain residual electricity, and unscrewed the side panel. Inside, the motherboard hummed with latent energy. He slid the new card into a spare PCIe slot— click —and connected a small, thin wire to a USB 2.0 header. This wasn't just power; it was the data pathway for Bluetooth itself.