1.Wireless 2.4GHz radio frequency with USB receive
2.All of the keys lifespan up to 1,500,000 times
3.Auto sleep mode: Automatically into sleep mode 2 minutes left without operation
4.To enjoy PC multi-media entertainment at home
5.To enjoy Android TV box and smart TV
6.Convenient and efficient for conference, presentation and lecturing
7.To share large TV and projector screen
8.Large PAD for handwrite

 poly bag 

 12months