Torcia ricaricabile USB puntatore laser 3 in 1 verde + rosso + blu per insegnamento PPT
Used for:for PPT Teaching Sales marketing. if you want a blue+green+red 3 in 1 laser pointer,take this one ! 1x 3 in 1 Color Laser Pointer ( Black Default) 1x USB Type C Charging cable. LED Color: Green(532nm) ,Red(650nm),Blue(450nm).