The Walkers Silencer In The Ear Plugs are designed to be a stand alone set of hearing protection. Although you wouldn't have an issue fitting them underneath your ear muffs, there may be interference while using the two paired together. I would recommend reaching out to the manufacturer and seeing what they would recommend.
The Walkers Silencer In The Ear Plugs are Powered by #10 Batteries (4 included) and have 80 Hours battery life (Estimated).
The power switch is on the side and can be switched on an off with your finger.
The unit itself will include multiple fin and foam sets to allow you to customize it to your ear.
No, these are not water resistant.
This uses four #10 size batteries which are included.
No, the bluetooth compatible model can be found here:
https://www.opticsplanet.com/walkers-silencer-bluetooth-rechargeable-electronic-earbud.html
No, the bluetooth compatible model can be found here:
https://www.opticsplanet.com/walkers-silencer-bluetooth-rechargeable-electronic-earbud.html
The higher the dB reduction rating is, the better they are able to mitigate harmful noises
Yes these can be used for protection in any noisy environment
These have a 25dB noise reduction rating.