... ,ISO etc 2,professional amplifier,with USB,TF,MPS input ... 95x80x35 mmWeight: 280g Features:The Rechargeable Voice Amplifier adopts ABS engineering plastic, impact resistanceTone clearApplicable ... ABS engineering plastic Multifunction,with MP3,TF,USB input Which Amplifier is right for you? ... Color box Production photos With Rohs,CE,ISO certificates Portable Voice Amplifier Megaphone HTY-G668 Black ...