100% Brand new,never used Item"s color might be different from the picture because of the aberration. Function: 4Band EQ & LCD tuner and microphone Input Impedance:2.2MΩ Frequency Response:20Hz~20KHz Control Range: Bass:±12dB at 80Hz Middle:±12dB at 800Hz Treble:±12dB at 3KHz Presence:±12dB at 15KHz BLEND:PIEZO&C-MIC Battery:9v snap (not included ) Features:LCD Tuner Syste Phase Reverse Switch Balance & Unbalance outputjack Features:Automatic low Battery check LED From take microphone Dimension:L98 x W58mm Package Includes: 1x 4Band EQ & LCD tuner and microphone