👍 Sound pa speaker with 25 watt loud power, gives you up to 12 hrs wireless stable continuous amplification with a single charge; Ideal for personal or commercial use large indoor and outdoor. | 👍 Very easy to use & protect your throat: this bluetooth wireless voice amplifier comes with lightweight, clear sound, low feedback and 26000sq.ft/2500㎡ sound cover range, it helps you to speak with a lower voice saving your vocal cords unnecessary stress. No more yelling. | 👍 Bluetooth 4.2 amplifier speaker, you can stream your favorite music from any type of Bluetooth-enabled mobile device, up to 33 feet away. | 👍 Support USB, TF CARD, Aux input-This compact amplifier speaker and mic is also equipped with USB, TF Card Readers, aux jack so it can serve as an MP3 player and a computer speaker. | 👍 Package includes：1 * voice amplifier/1 * waistband /1 * wireless headset microphone /1 * 3.5mm audio cable /1 * USB charging cable /1 * user manual