Bluetooth Voice Amplifier for Teachers, Portable Rechargeable Mini Voice Amplifier with Wired Microphone Headset, PA System Megaphone Speaker for Teachers, Singing, Training, Presentation, Tour Guide

[20W Voice Amplifier] Bietrun KYQ06 voice amplifier with 20W peak power, clear, crisp and no noise or distortion sound. It can cover about 10000 sq.ft (1000 ㎡), loud enough for groups up to 50-100 people.. [6 Hours Working Time] Personal voice amplifier built-in a 2200mAh rechargeable battery, which can continuously work up to 6 hours at max volume, and only needs 3.5 hours to fully charge it. It will automatic shutdown to save power if standby for 30 minutes without any connection. (Note: It will not automatically shut down when connected to Bluetooth). [Lightweight and Compact] 3.38*1.61*3.9 inches and 0.44 Lb. Equipped with a back clip to fix the device at your belt or pocket, or you can hang it around your waist with the included waistband belt. Perfect voice amplifier for teachers, coaches, training, presentation, tour guide, classrooms etc.. [5.3 Bluetooth Function] Turns on Bluetooth on the phone, then search “Bietrun KYQ06” for pairing. Long press the “play/pause” button to disconnect the original connection and enter the Bluetooth re-pairing state. Supporting 3.5mm AUX audio input, can work as a mini portable wired speaker.. [Plug and Play] Just insert the wired microphone into the MIC jack to use. The wired headset microphone is lightweightand adjustable, made of durable and wear-resistant ABS material, you can adjust the distance between your mouth and the mic.. [1-year warranty]We offer a 1-year warranty and free replacement service, please contact us at any time if you have any question.