Features:Compact size 6-channel mixer, 5V USB power supply, can be powered by power adapter, power bank or computer conveniently, suitable for home music recording, webcast, karaoke, network singing, etc.With 4 MIC/LINE (TRS XLR 2-in-1) mono input jacks for connecting microphones or musical instruments; TRS stereo input jacks(LEFT RIGHT) can be used to connect line-level instrument such as electronic keyboards and audio equipment.With 2 RCA outputs (L R) to connect external recorder; 2 TRS stereo main outputs(L R) to connect speaker or amplifier; and one 6.35mm TRS headphone output to connect headphones.With GAIN??HIGH(treble tone), LOW(bass tone), EFFECT, PEAK and independent VOLUME control knobs, which allows you to modulate more excellent sound effects; ST/USB input signal switch button for quick operation; built-in DELAY and REPEAT effects.Channel 1 to 6 have individual +48V phantom power for condenser microphone and HI-Z input button for vocal cut; With USB interface for MP3 input; supports BT connection of smartphone to play accompanying music, and micro USB connection of computer for sound card recording.