Magic of sudo dd

To get some idea what is the name of the usb key just inserted

sudo dmesg

may return

[87013.448154] usb-storage 2-1.6:1.0: USB Mass Storage device detected
[87015.343335] sd 4:0:0:0: [sdb] 15163392 512-byte logical blocks: (7.76 GB/7.23 GiB)
[87015.344488] sd 4:0:0:0: [sdb] Write Protect is off
[87015.344493] sd 4:0:0:0: [sdb] Mode Sense: 23 00 00 00

then

sudo dd if=some.iso of=/dev/sdb status="progress" bs=4M