Features: Provide four input channel and support multiple device connection, such as microphones, instrument, and other sound sources. The compact size design is easy to carry and not take up space. Built in headphone output port allows users to monitoring the mixing effect in real time, ensuring quality. Built-in 48V power supply, suitable for various scenario such as karaoke, live streaming, conferences, stage performances, etc. Multifunctional digital display screen, metal body, with strong durability, it is a reliable supplement to any setting. Specifications: Material: Metal Color: black gray Size: approx. 23.5x22x7.50cm/9.25x8.66x2.95inch Package Includes: 1 Piece USB Sound Mixer note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.