Final price reduction: ¥2500 → ¥1850 *Price reduced as item will be wrapped in bubble wrap for shipping. (Sorry, no further discounts.) Multi-function microphone with reverb function. - Model: Y11S - Input voltage: DC 5V - Functions: Microphone volume adjustment, duet mode, reverb function - Accessories: Carrying case Thank you for viewing. I bought this when my child was small, but I've only used it about twice. I'm including a charging cable, although I'm not sure if it's the original one.