Power on, and each CD can be played. Other detailed operations have not been confirmed. The main unit, power cable, and connection cables are included in the listing. (Everything in the photos is included) There is some dirt and stickiness on the surface. Please check the other images and understand that this is a used item before purchasing. GEMINI DJ Mixing Console CDMP-6000 Equipped with various functions such as scratch function, USB port, and MP3 data playback. Thank you. Specifications / Overview: Type: Compact Disc Player, USB MP3 READER Disc Type: Standard Compact Disc (12 cm & 8cm) Time Display: Elapsed time, track remaining time Pitch Variable Rate: ± 24% (with switch slider) Pitch Bend: ± 24% maximum Start-up: Within 0.03 seconds Dimensions: 483 X 114 X 268mm Weight: Main unit: 11.35lbs (5.14kg) Over Sampling Ratio: 8 times Sampling Frequency: 44.1 kHz F Characteristics: 20 Hz to 20 kHz Distortion Rate: Less than 0.005% SN Ratio: >85dB Dynamic Range: >85 dB Channel Separation: 85dB (1kHz) Output Level: 2.0 ± 0.2 Volts R.M.S. Inputs: Phono: 3mV, 47KΩ Line: 150mV, 27KΩ MIC: 1.5mV, 1KΩ balanced Outputs: Max: 20V Peak-to-Peak Rec: 225mV 5kΩ Power Consumption: 25W