... TF,MPS input 3,several colors to selection:pink,black,red,white,etc. Specifications: Output Power: 20W ... batteryBattery Type: Lithium BatterySize:95x80x35 mmColor: pink ,red,black,whiteFeatures:The Rechargeable Voice Amplifier adopts ABS engineering plastic, ... TF,MP3,echo,LCD screenHum and Noise50 dB Min50 dB Min50 dB Min50 dB MinCurrent Consumption150 mA150mA150mA150mAPower SourceLi-Polymer 3. ...