Transfer many files from android to pc, without usb and wifi How can I quickly transfer many files from my Android device to the PC,
without USB cable or WiFi?

Regular bluetooth would require to transfer every single file manually.
Install Astro File Manager with Astro Bluetooth Module. Go to Networks page of Astro File Manager (using toolbar) and tap Bluetooth icon. On next screen, turn on Bluetooth and check OBEX FTP Server.

After pairing, use Bluetooth software on PC to browse file system of device (almost all software work as OBEX FTP client). You can copy an entire folder from device to PC. Done!