Edifier MF5P Portable Voice Amplifier with Wired Microphone, Black

LOUD AND CLEAR SOUND - Built with professional audio processors to amplify your voice and protect your throat. Powerful speaker helps get your message across a greater area. ACTIVE FEEDBACK CONTROLLER - Active noise detection and real-time feedback control. The built-in anti-feedback function automatically eliminating annoying howling sounds. 12 HOURS LONG BATTERY LIFE - Built-in rechargeable 2200mAh battery offers you 12 hours continuous of powerful sound amplification. MULTIPLE AUDIO INPUTS - Supports Bluetooth, AUX inputs, USB flash disk, and Micro SD card (up to 64GB of capacity), allowing for single/full loop and simultaneous music playback and voice amplification. LIGHTWEIGHT AND PORTABLE - Lightest in its class. Palm-size design makes this small compact amplifier ultra-portable. Wear it with included lanyard or clip on your belt with ease. Perfect for those who need to move around often.