Behind the head, wireless, and noise-cancelling. They're for use in a workshop environment where mobility and noise is an issue. The reason for them being behind-the-head is because a magnifying visor is used frequently.
Edit: Best I've been able to find so far: http://www.jaybirdgear.com/jf3/bluetooth-headphones-features.html
Not sure if in-ear will work though.
Edit: Best I've been able to find so far: http://www.jaybirdgear.com/jf3/bluetooth-headphones-features.html
Not sure if in-ear will work though.
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