Access and Prepare External Power Supply

What happens here

The presenter then focuses on the external power supply for the sound box. He demonstrates how this power supply can be used in tandem with the internal battery, ensuring continuous operation even if the battery isn't charged. He also suggests that the power supply can be stored inside the sound box itself for convenience, then proceeds to remove the power supply from its individual packaging.

Goal: Identify and unwrap the external power adapter for use or storage.