These things are a bit small slip into your ears and run on a single AAA battery up to 120 hours. Built for portability and travel, they easily slip into your pocket and comes with a manual in flight power adapter so you can use to remove any noisy children to sit two rows back, snoring or mouth breathing next to you.
They are also easily adjusted. They come with 4 different sound hole adapter to fit just about anyone.
So how much would you expect to pay for all this convenience? similar set sold for over $ 200, but the profit margin on the Pioneer this fall and hit the retail price of only $ 99 on them. Although no bid price basis, it is certainly better than spending hundreds on something as efficient or choose a cheaper model that just did not execute well.
