The Portable Loudspeaker Voice Speech Amplifier with Headset for Teachers Tour Guides is a portable voice amplifier that increases user&acute;s vocal volume, ideal for assisting communication in noisy environments such as streets or crowded gatherings. It can also be used for tour guides, teachers, exercise instructors and more. Lightweight headset microphone picks up sounds clearly and stays comfortable for extended periods. The whole amplifier is also lightweight enough to wear at the waist. Built-in rechargeable lithium battery provides up to 15 hours of continuous working time.<!--Features --><p>FEATURES</p><ul><li> Portable voice amplifier to increase user&acute;s vocal volume</li><li> Ideal for assisting communication in noisy environments such as streets or crowded gatherings</li><li> Can also be used for tour guides, teachers, exercise instructors and more</li><li> Basic PA function (can be used with our 2.4G wireless microphone)</li><li> Equipped with a TF card slot, play MP3 files from external TF card</li><li> Lightweight headset microphone picks up sounds clearly</li><li> Comfortable and lightweight to wear at the waist</li><li> Powered by built-in rechargeable lithium battery </li></ul><!--Specifications --><p>Specifications</p><table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Material</td><td width="365"> ABS</td></tr><tr><td width="131"> Color</td><td width="365"> Black</td></tr><tr><td width="131"> Dimensions</td><td width="365"> (3.07 x 1.85 x 3.35)" / (7.8 x 4.7 x 8.5)cm (L x W x H)</td></tr><tr><td width="131"> Weight</td><td width="365"> 4.55oz / 129g (with Battery)</td></tr><tr><td width="131"> Theoretical Power</td><td width="365"> 10W or less</td></tr><tr><td width="131"> Frequency Response Range</td><td width="365"> 100Hz-20KHz </td></tr><tr><td width="131"> Power by</td><td width="365"> Lithium Battery </td></tr></tbody> </table><!--Package Includes --><p>Package Includes</p><ul><li>1 x Portable Speaker</li><li>1 x Headset Microphone</li><li>1 x Retractable Belt</li><li>1 x USB Charging Cable</li><li>1 x Audio Cable </li></ul><!--Extra Info --><!--produts_compatibility -->