With the Bluetooth models found here: https://www.opticsplanet.com/walkers-silencer-bluetooth-rechargeable-electronic-earbud.html you can listen to music while shooting.
The Walkers Silencer ear buds are not available in a waterproof option that has active noise cancellation/amplification.
Yes, you can use an adapter power block to plug into a wall outlet.
I'm not sure I understand your question. The ear buds can be pulled from the charging cradle before they are fully charged and the auto shut off feature can be changed. If you were looking for different information please email us at techsales@opticsplanet.com and we can help.
Yes, these work great indoors and outdoors.
NRR is 26 decibels.
They should work well under all of those conditions and average battery life is 14 hours.
Yes, these would work in a workshop environment as well.
The batteries are not replaceable. They are built in batteries that charge when you place it in the included case.
There is no lanyard, just 2 separate earbuds.