Compact rhythm machine capable of creating 16 rhythm patterns. - Model Name: KR mini - Power Adapter: Included - Number of Patterns: 16 patterns - Functions: Rhythm creation/editing - Connection Terminals: Headphone output - Condition: Good - Power Supply: AC adapter Thank you for viewing. After purchasing new, I stored it without using it much, but I have lost the outer box and instruction manual. A separate AC adapter is included. Thank you.