One exploded as a journo at a TV station plugged it in to his computer, causing mild injuries to his hand and face. Another sent to a radio station did not explode - the drive was plugged into an extension cord and didn't get enough voltage to detonate.
https://arstechnica.com/gadgets/2023/03/journalist-plugs-in-unknown-usb-drive-mailed-to-him-it-exploded-in-his-face/
https://it.slashdot.org/story/23/03/22/2048210/explosives-replace-malware-as-the-scariest-thing-a-usb-stick-may-hide
https://arstechnica.com/gadgets/2023/03/journalist-plugs-in-unknown-usb-drive-mailed-to-him-it-exploded-in-his-face/
https://it.slashdot.org/story/23/03/22/2048210/explosives-replace-malware-as-the-scariest-thing-a-usb-stick-may-hide