Colour: Black<br>Material: ABS<br><br>The product itself has two mainly functions use, one is an amplifier, and another one is a multi-applicability speaker.<br>Amplifier has clear voice, stable, and loud sound to use in coaching, presenting, training, teaching with many people in big space.<br>The speaker can apply on MP3 and WAV audio form. Music player and PC speaker are included.<br>Music player has two interfaces, one is for TF card, and another interface is for USB flash drive.<br>The indicator light gives different signal. The blue indicator appears when power on. It flashes. when insert TF card/USB flash drive. When remaining electricity is below 10%, the blue light. will flash. On the charging status, the red indicator is be on until fully charged would be off.<br><br>Package Contents:<br>1* Loudspeaker<br>1* Battery<br>1* Professional Wired headset Microphone<br>1* USB charging cable<br>1* Waistband Belt<br><br>Only the above package content, other products are not included.<br>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.