Cellink OPMP-2401 is a combination of a mouse and a presenter designed specifically for laptop PC users. It features two working modes: a regular wireless optical mouse and a wireless portable presenter. The mini size design makes it easy for carrying and the power switch can save battery power while traveling. 2.4GHz RF technology together with laser pointer and multimedia hot-keys allow users to control a presentation easily and wirelessly in 10 meters working range. The multi-functional charging receiver may charge battery from USB.