Our Product, USB cordless presenter that named Magic Pointer has features of.a)Data Storage-USB Flash Memory(32M-256M)b)Cordless presenter-No more stay beside of computer during presentation. You can control (page up and down) your presentation on PC by remote pointer.Just press up and down button to change the pages. It works within 10m range.c)Laser pointer-It has built �in laser module. Just focus on your presentation with laser beam, It�s class 2 laser beam.