Photo 1 of WinBridge Bluetooth Voice Amplifier for Teachers, Wireless Voice Amplifier with Bluetooth Headset Microphone, Portable Megaphone Speaker Headset System, Teacher Must Haves 15W/1500mAh WB002

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Photo 1 of WinBridge Bluetooth Voice Amplifier for Teachers, Wireless Voice Amplifier with Bluetooth Headset Microphone, Portable Megaphone Speaker Headset System, Teacher Must Haves 15W/1500mAh WB002Photo 2 of WinBridge Bluetooth Voice Amplifier for Teachers, Wireless Voice Amplifier with Bluetooth Headset Microphone, Portable Megaphone Speaker Headset System, Teacher Must Haves 15W/1500mAh WB002Photo 3 of WinBridge Bluetooth Voice Amplifier for Teachers, Wireless Voice Amplifier with Bluetooth Headset Microphone, Portable Megaphone Speaker Headset System, Teacher Must Haves 15W/1500mAh WB002