A food processing device, comprising: a mixing vessel, said mixing vessel having: a first open end and a second open end; a lip located in proximity to said first open end, said lip having first emitter embedded in said lip; a protrusion located in proximity to said first open end, said protrusion having a second emitter embedded in said protrusion; a blade holder having a blade, characterized in that said blade holder is capable of being removably affixed to said first open end of said mixing vessel; a motor base is capable of receiving said blade holder, said motor base having: a recess for receiving said protrusion in said mixing vessel; a motor for driving said blade of said blade holder; a first detector embedded in said motor base for detecting a signal from said first emitter of said mixing vessel; wherein, when said motor base receives said blade holder affixed to said mixing vessel, said first detector detects a signal from said first emitter in said lip to activate said motor; and a second detector for detecting a signal from said second emitter, said second detector being embedded in the recess; said second emitter is capable of emitting a signal to said second detector to activate an alternative blend speed depending on said signal from said second emitter to said second detector. a mixing vessel, said mixing vessel having: a first open end and a second open end; a lip located in proximity to said first open end, said lip having first emitter embedded in said lip; a protrusion located in proximity to said first open end, said protrusion having a second emitter embedded in said protrusion; a first open end and a second open end; a lip located in proximity to said first open end, said lip having first emitter embedded in said lip; a protrusion located in proximity to said first open end, said protrusion having a second emitter embedded in said protrusion; a blade holder having a blade, characterized in that said blade holder is capable of being removably affixed to said first open end of said mixing vessel; a motor base is capable of receiving said blade holder, said motor base having: a recess for receiving said protrusion in said mixing vessel; a motor for driving said blade of said blade holder; a first detector embedded in said motor base for detecting a signal from said first emitter of said mixing vessel; wherein, when said motor base receives said blade holder affixed to said mixing vessel, said first detector detects a signal from said first emitter in said lip to activate said motor; and a second detector for detecting a signal from said second emitter, said second detector being embedded in the recess; said second emitter is capable of emitting a signal to said second detector to activate an alternative blend speed depending on said signal from said second emitter to said second detector. a recess for receiving said protrusion in said mixing vessel; a motor for driving said blade of said blade holder; a first detector embedded in said motor base for detecting a signal from said first emitter of said mixing vessel; wherein, when said motor base receives said blade holder affixed to said mixing vessel, said first detector detects a signal from said first emitter in said lip to activate said motor; and a second detector for detecting a signal from said second emitter, said second detector being embedded in the recess; said second emitter is capable of emitting a signal to said second detector to activate an alternative blend speed depending on said signal from said second emitter to said second detector.