Photo 1 of SHIDU Voice Amplifier 10W Speaker with Microphone Headset Protable Rechargeable PA System Support Bluetooth TF U Disk Playback for Teacher, Speech, Training, Meeting, Tour Guide, Classroom

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Photo 1 of SHIDU Voice Amplifier 10W Speaker with Microphone Headset Protable Rechargeable PA System Support Bluetooth TF U Disk Playback for Teacher, Speech, Training, Meeting, Tour Guide, ClassroomPhoto 2 of SHIDU Voice Amplifier 10W Speaker with Microphone Headset Protable Rechargeable PA System Support Bluetooth TF U Disk Playback for Teacher, Speech, Training, Meeting, Tour Guide, Classroom