Almost unused. All accessories are included. Non-smoking, pet-free environment. I've only confirmed its use with batteries. Of course, I've confirmed it works perfectly. I think it's a good deal for those considering a new purchase, but please refrain from buying if you are sensitive to the condition, as this is based on my personal assessment and storage. The Roland Vocal Trainer VT-2 is perfect for pitch training. - Brand: Roland - Model Name: Vocal Trainer VT-2 - Accessories: Instruction manual, cables, box - Functions: Pitch training, exercise function - Power: Uses 2 AA batteries Thank you for looking.