The J-Link BASE from Segger Microcontroller Systems’ is a commonly used programmer/debugger for ARM microcontrollers. The DigiKey website lists the contents of this product as “Board(s), Cable(s)”, but makes no mention of which cables you get. What does this product include, when ordered from DigiKey?
As shown in the product image above and confirmed in the product’s user guide, this device ships with both a 20-pin JTAG target cable and a USB A to C cable for connection to your PC.
Further information on use of the product can be found in Segger’s extensive manual for the product, here: J-Link / J-Trace User Guide