Like new J-Link Plus Compact debug Probe. This is a barely used one from a test bench that was never put in service. The software enhanced J‑Link PLUS Compact includes a 20‑pin, 0.1″ ribbon cable. No power supply required (driven and powered through USB). Includes; the J‑Link GDB Server, J‑Flash, J‑Link RDI/RDDI, J‑Link Unlimited Flash Breakpoints.
It sells for $748+taxes on www.segger.com website. Save money on your debug setup.