The Plunder Bug by Hak5 is pocket-sized LAN Tap that lets you "bug" Ethernet connections with USB-C convenience.

Coupled with cross-platform scripts for Windows, Mac and Linux – this smart network sniffer enables passive recording or active scanning.

• Auto negotiating 10/100 Base-T Fast Ethernet
• ASIX AX88772C USB Ethernet Chipset
• USB-C Tap/Power port (5V, 20-300mA draw)
• Connection scripts for Windows, Mac & Linux