Bought for hunting but didn't understand the multifunctional use. When the strap is attached, they are noise canceling headphones. The detachable lanyard allows you to carry wireless headphones. These are the first headphones I've ever owned that allow you to cancel or amplify noise while reducing the loud noise of a gunshot to safe decibels. I am very impressed by their versatility. I used to hunt birds and didn't want to wear heat protection because I couldn't talk to my friends in it, but these changed the situation completely. It's like the noise cancellation in Bose headphones with comfy Airpods when wearing hearing aids. Headphones require the included battery and 2 additional devices. The bracelet is charged via a USB cable. The sound through the music is clear, like any headphone I've ever used. I'm really impressed with that. They replaced my Bose and Apple headphones.
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