2-channel DJ mixer, microphone and headphone connectable. - Brand: gemini - Model: MM1 BT - Number of channels: 2 channels - Connectors: OUTPUT, INPUT, MASTER, RECORD - Functions: Microphone input, headphone output - Power: DC 12V 500mA This is a listing for a Gemini MM1BT mixer. Operation has been confirmed, and each function works without any problems. There are almost no scratches, and this product has not been used very much. It supports Bluetooth, so you can play audio from your smartphone, etc. The box is included, but it is quite damaged due to aging. Please understand that this is a used item, and only purchase if you can understand the condition shown in the photos. Instant purchase is OK.