Tested and working SONY PSP-1000. Used as a retro game emulator (CFW installed). [Included Items] - Main unit - AC adapter - Battery - UMD: Monster Hunter Portable 2G (only tested for startup, not played) - Memory Stick 14GB built-in (dual memory slot compatible) [Condition] - Buttons, UMD drive, and wireless connection OK - Battery degradation (approx. 1282mAh / 71% ※measured discharge capacity 1 year ago) - Screen and exterior have fine scratches and dust (not fully visible in the photos!) - Never disassembled Purchased new at the time of release, a rare one-owner item.