Sound Bars are a relatively new development in the field of home theater audio. They often provide a more-or-less complete set of surround sound speakers in a single unit, and can be configured to work with decoders, allowing them to simulate the effect of a 5.1 channel speaker system
Blog

Bluetooth headphones are awesome. They let you traverse the world wirelessly, with freedom to move about. Unfortunately, they tend to lag a little bit when watching videos on your phone or streaming music from your computer. This is because Bluetooth uses something called “A2DP” (Advanced Audio Distribution Profile) which provides