... professoal manufacturer of usb speaker,mini speaker,active speaker,portable speaker,computer speaker,MP3 speaker,MP4 speaker, SD card speaker,MMC card speaker,TF card speaker,LED speaker,Ipod speaker Features:1.Can read ... carry in traveling.Go with music speaker.7.Bluetooth synchronous broadcasting function speaker.8.Compatible with various bluetooth phones,MP3/MP4/CD/PC/MAC ...