Features:Produce a "retro" bassy，buzzy fuzz.It sounds like the old germanium transistor Fuzz Face when set to "Bass Buzz" end， and a more treby fuzz when set to "Treble Bite" end.True bypass provide transparent tone.Mini size， compact and space-saving.Aluminium-alloy case， stable and durable.LED indicator shows the working state.Drive， Dry blend， Volume， Bass buzz & Treble buzz controls:Dry blend: Mix in the unmodified guitar signal with the "Dry blend" control if desired.Specifications:Material: Aluminium alloyInput: 1/4" monaural jack (impedance: 10M Ohms)Output: 1/4" monaural jack (impedance: 150 Ohms)Power requirements: AC adapter 9V DC (center minus plug)Current draw: 15mAItem size: 9 * 3.5 * 3.2 cm / 3.5 * 1.4 * 1.3inItem weight: 145g / 5.1ozPackage size: 10.5 * 6 * 4.6cm / 4.1 * 2.4 * 1.8inPackage weight: 171g / 6.1ozPackage List:1 * Effect Pedal1 * User Manual (English)