Fangrui Product Details Usb To Two-wire Serial Debug Bridge (arm Serial Wire Debug Supported By Default) Usb To Uart Bridge Compatible With The Cmsis-dap Standard Works With Openocd And Other Tools Supporting Cmsis-dap Follows The For 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 Colour:as Shown Material:pc+plastic Package Contents: 1 X For Raspberry Pi Debug Probe Kit(due To Different Product Batches, The Appearance May Vary, 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.