... :speaker,mini speaker,portable speaker,USB speaker,2.1 muitimedia speaker,5.1 multimedia speaker.2.We can add USB/SD function and FM function on multimedia speaker,Mp3 speaker,speaker system,speaker ... speaker,SD card speaker,hifi speaker,USB speaker,5.1 multimedia speaker,2.1 multimedia speaker,2.0 multimedia speaker about 100000 set per month. 2.1 microphone active speaker ...