Newonline Waistband Tour Teacher Voice Amplifier Portable Microphone Speaker N74U
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<div style="text-align:left"><b>[Product Information]</b></br><ul><li><span class="a-list-item"> 
							Digital circuitry technology, 15W output power
							
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							LOW-THD AT Adaptive Technology features low distortion even at high output power
							
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							Built-in intelligent recharging management system for secure battery charging and discharging, fast charging and long play time (continuously work for 8-15 hours. )
							
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							Built-in high capacity rechargeable lithium-ion battery
							
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							Music play function supports multimedia audio file play of USB and TF card
							
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