Features: 1.Flip pen is fit for windows98 / 200 / ME / XP / window7 32-bit / Linux / Mac OS and other systems. 2.Remote control pen supports the display of various files, browsing of web pages and e-books. Such as PPT presentation files, picture browsing, OFFICE files, etc. 3.In addition to having the function of a traditional PPT pointer, presentation pen can simply remotely turn the PPT up and down in the computer. 4.Turning the PPT does not have to be standing beside the computer, you can walk around in the classroom arbitrarily and increase good interaction. 5.With USB interface, such pointer pen can be ready to use, while there is no special driver required. specification:Item Type: Flip pen Model: PP1000 Remote Control Technology: RF technology 315M / 433.92Hz Computer Interface: USB interface, no special driver required Remote Control Distance: Not less than 15 m Shooting Distance: Not less than 200 m RF Frequency: 2.4GHZ Battery: Use one LR03 AAA battery (not included) PackageList:1 x Flip Pen1 x Storage Bag1 x User Manual