This is a used 5th generation 30GB (MA002J) iPod with the HDD replaced with a thick 60GB one. Basic functionality has been confirmed. The following two issues exist: ・LCD: Horizontal line defect at the top. Brightness unevenness. ・Buttons: No click feeling on the top & center buttons (they still function) The backplate has also been replaced with one from a thick 60GB model. The battery is in good condition. (Continuous playback without operation: 19 hours, for reference) The HDD SMART diagnostics are normal. (Usage time: only 61 hours!)