Hi there, I was wondering if this amplifier is waterproof? Can it be used in outdoor environments or near water without any issues?

Yes! The ad states -WATERPROOF VOICE AMPLIFIER WIRELESS- The Portable PA System is rugged enough for outdoor-indoor use and rigorously tested to meet IPX6 waterproof standards. IPX6 means the product can resist high-pressure, heavy sprays of water. IPX7 means the product can be submerged up to 1 meter in water for 30 minutes. So as long as you are not submerging it in water it should work fine.

I was wondering about the usage time of the amplifiers and microphones. How long can I expect to use them before needing to recharge?

It lasts for a hour of sustained use for me. Or, three hours of use if turn it off between needs.

I was wondering if you could explain how to pair microphones and amplifiers together. I'm not quite sure how to go about doing that.

No need for manual pairing, this one has automatic connection, I highly recommend it, it's the only one on the market and it solves a lot of problems.

Bluetooth 5 0 Voice Amplifier With Wireless Mic Headset Waterproof

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

POWERFUL VOICE AMPLIFIER - The voice amplifier adopts UHF transmission, 20W output powerful, clear, low feedback and no noise & distortion original sound. More importantly is automatic connection function of microphone and amplifier has been upgraded, you never have to manually reconnect again.
SUPERB BATTERY LIFE - Built in newest upgraded rechargeable batteries, Mic fully charge is only 1 hours, working time upgraded to 6 hours；Voice amp fully charge is only 3 hours, working time upgraded to 15 hours；Besides, the microphone and speaker come with a power save mode. Greener and more durable！
BLUETOOTH 5.0 WIRELESS VOICE AMPLIFIER - Built with the newest Bluetooth 5.0 chip with EDR technology, this Bluetooth voice amplifier ensures a faster and more stable connection than Bluetooth 4.0, TWS Feature support Pair 2 speakers together for 40 watt stereo sound.
WATERPROOF VOICE AMPLIFIER WIRELESS- The Portable PA System is rugged enough for outdoor/indoor use and rigorously tested to meet IPX6 waterproof standards. So there is no need to worry where you use. Additional siren function giving you emergency protection.
ALL-IN-ONE PORTABLE VOICE AMPLIFIER - This year's newest model, the M801 is a powerful all-in-one amplifier, support TF(Micro SD) card/USB Disk/3.5mm AUX audio input/Record/one-click mute. Besides, you can switch between Acoustic/Professional/Karaoke by double-clicking the M button on the speaker, a unique innovation only available on the M801 wireless voice amplifier!
HELPFUL TIPS - 1）For the best audio pickup, position the microphone about 3-5cm (1.2-2 inches) away from your mouth. 2）If you encounter any connection issues, re-pairing the devices often resolves the problem in the majority of cases. 3) If you encounter any problem, we will reply to you within 12 hours to help you solve the problem, so as to provide you with 100% quality service.

Powerful Sound : The voice amplifier adopts UHF transmission, 20W output powerful, clear, low feedback and no noise & distortion original sound. More importantly is automatic connection function of microphone and amplifier has been upgraded, you never have to manually reconnect again.

Specifications

ASIN	B0BBGCLWN1
Antenna Location	Small Karaoke System, Teaching, Training, Singing, Yoga, Meetings, Speeches, Classroom, Public Speaking, Presentation, Sales Promotion, Tour guide, Wedding Ceremony, Fitness Instructor, Parkinson's, Teacher, Teaching, Workout, Classes, Indoor, Outdoor activities
Audio Input	Bluetooth, USB, Micro SD, Micro SD card, USB Drive, 3.5mm AUX
Best Sellers Rank	#32,812 in Musical Instruments ( See Top 100 in Musical Instruments ) #1,955 in Wireless
Brand Name	ResponseBridge
Colour	black
Compatible Devices	Headset
Connector Type	Aux, USB
Customer Reviews	4.2 4.2 out of 5 stars (284)
Enclosure Material	Acrylonitrile Butadiene Styrene (ABS)
Included Components	1 x Megaphone Speaker, 1 x Wireless Microphone Headset,1 x Charger, 1 x User Manual, 1 x 3.5mm audio cable, 1 x Adjustable waistband
Item Dimensions	43 x 140 x 99 Millimeters
Item Weight Unit of Measure	0.9 Pounds
Manufacturer	ResponseBridge
Manufacturer Part Number	M801
Model Number	M801
Mounting Type	Tabletop
Network Connectivity Technology	AUX, Bluetooth, USB
Number of Channels	20
Number of Items	1
Output Wattage	20 Watts
Power Source	Battery Powered

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Bluetooth 5 0 Voice Amplifier with Wireless Mic Headset Waterproof Personal Microphone Wireless Voice Amplifier 20W Loudly Portable Megaphone PA System for Teachers Safety Drills Outdoors Indoors

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