BIRD DJ4 Micro Mixer I'm selling this as I haven't used it for about a year. Operation has been confirmed. Please consider this, keeping in mind that it is not new. 【High-Quality Sound】 The DJ4 micro mixer provides professional sound quality, making it ideal for music production and performance. 【Compact Design】 Its small and lightweight design makes it easy to carry and use anywhere. 【Easy Operation】 Simple volume knobs allow for intuitive volume adjustment.