... *Rechargeable Lithium Battery *High Power 20w *CE,FCC Approved USB/TF Card Reader Mini Portable Megaphone K-8500Product Features *Mini Portable, USB ... and instant response. *Multifunctions: Set USB, TF card port, microphone, speaker, voice amplifier, karaoke, recording.*SD/TF Card and USB support mp3, Ipod,Note ... 50x36.5x49.5 CMN.W.: 13kgsG.W.: 14.5kgs USB/TF Card Reader Mini Portable Megaphone K-8500