Specifications
1.CE,ROHS,ISO,FCC,CB2.MP3/USB/TF reader play music .
3.FM radio
4.Recording
5.MOQ:100 PCS
Mini USB speaker Portable Waistband Voice Booster Mini Amplifier Loudspeaker FM N99
2012 hotsale speaker
Description:
Mini USB speaker with general function headset microphone. More function USB(SD/MMC/ TF) card reader and play music.Some model also with Remote control ,Bluetooth microphone , FM radio. Widely used at home, office , school ,tourism, church , factory , hospital ,meeting , restaurant , army etc.
Function:
Basic function: your voice could heard loudly by others when you speak via headset microphone and voice amplified via speaker box.
Other advantage (different model different function)
1.MP3 input : If you want to amplified your mp3 volum. just contact you mp3 to this mini amplifier by cable. You could hear amplified volum and enjoy it .
2.USB/TF input : when you want to enjoy music , just plug in you USB(TF/MMC) to the amplifier slot and you will hear music. The music also could switched preivous or next as you like.
3.FM Radio: if you want to listen to radio , just plug in the cable (have the function like antenna). Turn on the amplifier , and adjust FM by press next and previous .
4.Recording:Could record speak voice with USB/TF card , and the voice saved in the USB/SD card as MP3 file , can recording and play many recording files .
Different model have different function , please tell me what function you like and I will recommend you related model as your requirement 