USB to two-wire serial debug bridge (Arm Serial Wire Debug supported by default) USB to UART bridge Compatible with the CMSIS- standard Works with OpenOCD and other tools supporting CMSIS- Follows the For 3-pin Debug Connector Specification Includes a 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 Colour:As Shown Material:PC+Plastic Package Contents: 1 x For Debug Probe Kit(Due to different product batches, the appearance , which does not affect the use) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.