VOCOPRO SmartTVoke Karaoke System - Home New Generation Digital Karaoke Mixer for the Ultimate Sound and Karaoke Entertainment 	Compatible with Any Source with a Digital Optical Output (PCM Only) and Sound Systems with a 1/8" stereo or RCA Input Or Use Any Analog Music Source with the 1/8" Input 	Two Microphones Operate In the License-free 2.4Ghz Band for Reliable Transmission Mixed Output Jack Sends Music And Microphone Signals to Any Sound System with a 1/8" or RCA Input 	Volume and Effect Controls Built into Each Handheld Microphone Includes Digital Optical Cable to Connect to SmartTVs 	Dedicated 1/4 Microphone Output Jack for Use as Stand Alone Microphone System *Not included.