USB to UART bridge Compatible with the CMSIS-DAP standard Works with OpenOCD and other tools supporting CMSIS-DAP Follows the Raspberry Pi 3-pin Debug Connector Specification Includes a high-quality transparent plastic case Includes a USB cable and three debug cables: 3-pin JST connector to 3-pin JST connector cable; 3-pin JST connector to 0.1-inch header (female); 3-pin JST connector to 0.1-inch header (male) Nominal I/O voltage: 3.3V