Numark / Mixtrack Platinum 4-Deck DJ Controller (Jog Wheels with Displays) [Operational Status] The following operations have been confirmed for this listing: • Power Check: Connected to a computer with the included USB cable, all LEDs on the unit were confirmed to light up normally. • Audio Output: Confirmed that sound is outputting normally from the headphone jack (earphone jack) on the front of the unit. [Product Condition] • Exterior: There are minor scuffs from use, but no noticeable large scratches or stains, and the overall condition is clean. All rubber feet on the bottom are present. There is a missing knob on the left side. • Storage Conditions: Stored carefully in a non-smoking, pet-free environment. [Main Features] • High-Resolution Displays: Displays are integrated in the center of the left and right jog wheels. You can intuitively grasp BPM and remaining time at your fingertips. • Serato DJ Lite Compatible: Compatible with "Serato," the world's leading DJ software, allowing beginners to start professional play immediately upon arrival. • 4-Deck Operation: Despite its compact size, you can mix up to 4 decks using the switching buttons. [Accessories] • DJ Controller Unit • USB Cable (for PC connection and power) *Everything shown in the photos is included. [Shipping] As this is a precision instrument, it will be carefully packed with cushioning material and shipped promptly. [Message] This is a highly user-friendly model recommended for those starting DJing or considering upgrading their equipment. Power and sound output have been confirmed, so you can use it with confidence. If you have any questions, please feel free to ask in the comments. Thank you.