Thanks Colin, that is what I expected. I think that was the part I was a little bothered by with the battery. However, perhaps the battery will last a good while since replacing it probably is not something the user would be able to do.

On May 17, 2013, at 6:30 AM, Colin McDonald <[log in to unmask]> wrote:

> I have tried these.
> The wired version.
> They do what they say they do alright.  But to get any solid bass response 
> you have to press them to your cheek bone for better inductance I guess.
> Also, they're quite audible to those around you compared to regular 
> headphones.
> They work well with speech audio, less well with musical material.
> But if you want privacy, these ain't the best choice haha.
> I didn't get a chance to try them on any radio gear since I was only 
> borrowing them for a couple days.
> For things like trekker, or your phone's navigation or being able to hear 
> with your ears, as well as have input from an audio source that doesn't 
> interfere with your normal hearing they are great.
> Nothing over, or in your ears, which is important as a blind traveller.
> The volume is good and can get as loud as a set of headphones.
> They do need to be charged though as they have their own preamp unit built 
> in with a proprietary battery and proprietary charger.
> 
> Anyway, if you intend to use them mostly for speech applications, and not 
> for music, then you will be satisfied I think.  If for occasional music 
> where audio quality and definition isn't vital then ok, but don't buy these 
> if you want to listen to music.  They just don't really cut it unless 
> they've improved in the last year, or you don't like much bass anyway.
> 
> They're funny to wear for the first time because they'll actually vibrate 
> and jump around on your face a little bit.
> 
> 73
> Colin, V A6BKX