USB/FLASH READER/MP3 COMPATIBILITYConnect 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 Built-in 2-channel wireless microphoneDGNOG R4-RRO Mixer Console with 2 UHF Frequency handheld microphones. A collection of microphones and mixers,microphone powered from 2 AA batteries and can work for 3-5 hours,and more convenient to use.CHA 576.1-590.1Mhz,CHB 560.1-574.1Mhz BLUETOOTH WIRELESS STREAMINGHassle and cable-free audio streaming ability directly to the console unit This audio mixer can wirelessly stream music tunes from iPad, iPhone and Android Smart Phone with mixing board MIC AND STEREO LINE INPUTSSupporting XLR and unbalanced 1/4" Plug with +48V Phantom button, highly accurate LED Peak Level Indicator and Ultra-musical 3-band EQ on all channels ultra-low noise, high headroom mixer with super easy functionality RUGGED STEEL CHASSISWith sealed rotary controls to resist dust and grime, this mini DJ Mixer will provide total dynamic control This incredibly versatile mixer is great for stage performance, live gigs and home party Karaoke NEW MULTI-VOLTAGE POWER SUPPLY100V-240V (+/-15V DC power adapter) ideal for worldwide usage. Enjoy a value packed mixing solution today with performances that sound great each time