Cold Blue Light Teeth Whitening Machine SU-680
"*Nice new design;
*With 5 inch touch sreen.
*With High/middle/low power output.
*With Blue / Red / Blue&Red&purple / blue&Purple light. (Blue light for treatment, Red light for relax the month, purple light for special whitening gel H2O2+TiO2.)
*Can be timed,and clean the time by the key back of the machine."