... 1: Cusor/2: Letter/3: Capital letter/4: Type writing 2) Text input: type writing is similar to mobile phone's 3) For ... example: input "3G", first press key "numlock" shift to letter input, press ... driver 3) Wireless mouse functions 4) Character and English letters input 5) Support software: WMP, RealPlayer, KMPlayer, TTPlayer, WinDVD, ...