... keys 3,Plastic keypad 4,Net weight: 33g ir remote control It is designed with small size, beautiful exterior , Sound wave resonator (SAW ... , MP3 bluetooth , ect.We can add USB/SD function or USB/TF function and FM radio on MP3 decoder board , mini speaker ... ) If you have any problems, please feel free to contact with us. 2012 brandnew shenzhen ir remote control