After listening for only a couple hours starting with a full charge, it was already 3/4 drained. Im very pleased with this headset. but I wish I would of bought them elsewhere! excellent replacement cable Ive given them to some friends, family, and coworkers, and they love them too! We felt completely safe while driving on the highway. So I guess I’ll be on the look out for something new. This bag works best when secured to the cars roof rack. I was skeptical at first, but soon found out that these work for real. But the 3 rows of teeth help with the sizing.