Portable 50W Megaphone Handheld Security Guard TF USB Loud Speaker Travel Guide Speech Teach Voice Amplifier ,High Sound

50W high power 1000m propagation distance Multifunctional USB card to insert U disk 1500mAh lar capacity lithium battery AUX interface supports multiple audio playback 3 power supply methods, more convenient for outdoor use

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Portable 50W Megaphone Handheld Security Guard TF USB Loud Speaker Travel Guide Speech Teach Voice Amplifier ,High Sound—
$187.00