Photo 1 of ***ITEM TESTED FOR POWER, UNABLE TO TEST FURTHER*** 20W Bluetooth Voice Amplifier Wireless Microphone for Teachers, Portable Waterproof Voice Amplifier for Teaching, Speaking, Classroom, Personal Mic Headset and Speaker System M801

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Photo 1 of ***ITEM TESTED FOR POWER, UNABLE TO TEST FURTHER*** 20W Bluetooth Voice Amplifier Wireless Microphone for Teachers, Portable Waterproof Voice Amplifier for Teaching, Speaking, Classroom, Personal Mic Headset and Speaker System M801Photo 2 of ***ITEM TESTED FOR POWER, UNABLE TO TEST FURTHER*** 20W Bluetooth Voice Amplifier Wireless Microphone for Teachers, Portable Waterproof Voice Amplifier for Teaching, Speaking, Classroom, Personal Mic Headset and Speaker System M801Photo 3 of ***ITEM TESTED FOR POWER, UNABLE TO TEST FURTHER*** 20W Bluetooth Voice Amplifier Wireless Microphone for Teachers, Portable Waterproof Voice Amplifier for Teaching, Speaking, Classroom, Personal Mic Headset and Speaker System M801Photo 4 of ***ITEM TESTED FOR POWER, UNABLE TO TEST FURTHER*** 20W Bluetooth Voice Amplifier Wireless Microphone for Teachers, Portable Waterproof Voice Amplifier for Teaching, Speaking, Classroom, Personal Mic Headset and Speaker System M801Photo 5 of ***ITEM TESTED FOR POWER, UNABLE TO TEST FURTHER*** 20W Bluetooth Voice Amplifier Wireless Microphone for Teachers, Portable Waterproof Voice Amplifier for Teaching, Speaking, Classroom, Personal Mic Headset and Speaker System M801