Presenter with laser pointer and mouse

11.entering sleep pattern automatically if it's not used in 1 minute

10.USB namely inserts namely uses, not need the special-purpose actuation and other softwares.

9.radio frequency technology, the remote control distance may reach 20 meters far

8.LCD liquid crystal display time

7.built-in superior tray

6.fixed time reminds from the definition

1.up and down wireless mouse
2.PowerPoint slide show broadcast and black screen
3.fixed time to remind
4.stopwatch
5.turns page

up and down wireless mouse
PowerPoint slide show broadcast and black screen
fixed time to remind
stopwatch
turns page