The DK Audio 4 Channel USB Mixing Console Audio Interface has the Bluetooth and built-in 48V Phantom Power, perfectly for music home studio, broadcasting, karaoke or live streaming. The mixer is equipped with input gain and high bass adjustment, built-in 48V phantom power supply for condenser microphone direct power supply, high-definition headset output port, MP3, WMA, WAV, FLAC broadcast, device with a sound card can be directly connected to the PC. Cable-free audio streaming ability directly to the console unit. Mix your iPad, iPhone, Android Smart Phone to your DJ session. This audio mixer makes it a breeze to wirelessly stream all your favorite music tunes to the mixing board easily. Compatible for USB, Flash Reader, MP3. Connect your external USB, computer PC, flash drive or Bluetooth device to Mix & record; Use the built in controls to play/pause, skip tracks and switch between modes. Supporting XLR and unbalanced 1/4" Plug with +48V Phantom button, highly accurate LED Peak Level Indicator and 3-band EQ on all channels. Ultra-low noise, high headroom mixer with super easy functionality for professional vocal and instrumental projects.