Leading the Trend- Professional Karaoke Mixer with Reverb Effects and Pre-AMP Patented Pending Real-Time Vocal Reduce and Music Compensation Patented Pending Karaoke HDMI Decoding and Encoding Scheme Stylish Appearance, Competitive Price, Outstanding Features The exclusive Karaoke product in the market designed for Tablet/ Smart Phone/ TV dongle/Smart DevicesFeatures Click any song on Youtube, MP3 files or APPs and sing right away Real-Time Vocal Reduce Technology Professional Karaoke Mixing, versatile 8 reverb/echo sound effects, pitch adjustment, singing record, music/speech record HDMI 1.4a Input/Output, Bluetooth Receiver Attachable Wireless Microphone Receiver Module (options)