... Approved USB/TF Card Reader Mini Portable Megaphone K-8500Product Features *Mini Portable, USB/TF card,recording and remote ... and instant response. *Multifunctions: Set USB, TF card port, microphone, speaker, voice amplifier, karaoke, recording ... .*SD/TF Card and USB support mp3, Ipod,Note book,mobile ... .W.: 14.5kgs USB/TF Card Reader Mini Portable Megaphone K-8500