Model Number:Mini Microphone Amplifier Type:Mixers Certification:CE,FCC,RoHS type1:Microphone Amplifier type2:Sound Mixer type3:Audio Mixer Product Feature: This sound mixer is stable, lightweight, small and elegant, which is suitable for company, stage, families and KTV rooms. Compact size karaoke sound mixer, lightweight and portable. Dual microphone inputs, and supports mic volume adjusting individually. With TONE and ECHO control knob for awesome vocal enhancement and sound shaping. RCA audio input(L & R) and output(L & R)jacks for connecting audio source and speaker/amplifier. Suitable for company, stage, families and KTV rooms, enjoy singing and have fun with it. Product Power Supply: US/EU plug (Input: 110-240V, 50/60Hz; Output: 12V, 250mA) Working Voltage: 9V-12V Total Harmonic Distortion: Color: Silver/Black/Gold Item Size: 14 * 8.5 * 4cm / 5.5 * 3.3 * 1.6in Item Weight: 170g / 6oz Package Included: 1 X Sound Mixer 1 X Power Adapter 1 Set of Audio Cable 1 Set of Video Cable 1 X User manual 1 X Colorful Box Note: All product outward appearance, the size color take the material object as, the picture only supply the reference.