... 102High lights:Functions: FM radio, microphone, recording, amplifier Supporting TF Card and USB for music ( mp3 ... voice, good penetration.Aluminium magnesium alloy material, professional and fashion appearanceAdditional Recording function Technique Data: Output ... working in 7-8 hours Function Mp3, FM radio, Amplifier, Line-in, loudspeaker, microphone, reverberationColor ChoiceredWeight400g ( including ...