Posted by a reviewer on Amazon

The bluetooth signal is very weak

Posted by a reviewer on Amazon

However any distance below my navel and the signal was lost

Posted by a reviewer on Amazon

Seems like the signal is only good for about 2 feet

Posted by a reviewer on Amazon

They worked great until the battery quit holding a charge

Posted by a reviewer on Amazon

Lasted 9 months before i had to purchase another set because they wouldnt hold a charge

Posted by a reviewer on Amazon

Great products works well but not sweat proof at all and battery barely lasts 4 hours at best

Posted by a reviewer on Amazon

It doesnt quite stay on the ear it gets too loose and you hear the sound as if it was coming from far away

Posted by a reviewer on Amazon

Needs to be charged like a cellphone which is was to often