The Gemini GEM-12USB Compact 12-Channel Bluetooth Mixer is a brand new mixing desk designed for musicians and DJs. With 4 mic inputs and 12 line inputs, this mixer offers plenty of channels for connecting various audio sources. The gem12usb model also features Bluetooth connectivity, allowing for seamless integration of wireless devices. This compact mixer is ideal for small setups or on-the-go use, providing a versatile and high-quality solution for mixing and controlling your audio.