No, a flash drive and a wireless USB adapter are not the same.

* Flash drive (USB flash drive, thumb drive): A portable storage device that uses flash memory to store data. You plug it directly into a USB port on a computer or other device to access the data.

* Wireless USB adapter: A device that allows you to connect wireless devices (like a keyboard, mouse, or printer) to your computer without using physical cables. It uses wireless technologies like Bluetooth or Wi-Fi to establish the connection.

They serve completely different purposes. One stores data, the other facilitates wireless communication.