This Karaoke Sound Mixer with HDMI/3.5mm/Spdif connectors andmake it easy to connect with various devices including TV box, smart TV, home theater systems, receivers, speakers, soundbars, amplifiers, notebooks, tablets, and more. Which is equipped with rotatory adjustment controls,it can allow you to easily adjust reverb, tone, volume of the mic to the desired level. Two high-quality wireless microphones make you don't need to worry about cutting in and out of sound during use. The built-in Bluetooth give you a unique audio experience .It is ideal for Dj music & house party that you can easily enjoy the fun of instant karaoke.