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Photo 1 of Voice Amplifier Microphone Headset,2200 mAh Rechargeable Voice Amplifier Portable for Teachers,Training,Meeting,Tour Guide,Yoga,Fitness,Classroom etc (White)Photo 2 of Voice Amplifier Microphone Headset,2200 mAh Rechargeable Voice Amplifier Portable for Teachers,Training,Meeting,Tour Guide,Yoga,Fitness,Classroom etc (White)Photo 3 of Voice Amplifier Microphone Headset,2200 mAh Rechargeable Voice Amplifier Portable for Teachers,Training,Meeting,Tour Guide,Yoga,Fitness,Classroom etc (White)