1,with CE,ROHS,ISO etc 2,professional amplifier,with USB,TF,MPS input 3,several colors to selection:pink,black,red,white ... battery Battery Type: Lithium Battery Size:95x80x35 mmColor: pink ,red,black,white Features:The Rechargeable Voice Amplifier adopts ABS engineering plastic ... 1 x Manual 1x Cable 1x Color box With ISO,CE,ROHS etc certificates Portable Voice Amplifier Megaphone HTY-G588 ...