Free Apple APP software. - Air mouse function/PPT presentation; - Net searching control/Media player control; - Line mark drawing function; - You can use it as a laser pointer; - PC volume control; - Mouse cursor DPL control; - Built-in lithium rechargeable battery(120mAh charging time: 2.5 hours; charging current: 100mA; working voltage: 3.7V); - 2.4Ghz wireless 25meters distance range; - Plug and play: doesn’t need any driver in PC; - Support iPhone ISO6.0 system or above; - Support windows Me/XP/Vista/Win7/Win8; - Support MAC system; - Support Power Point2003 or above version;