Last week, Bose unveiled a new version of its Smart Soundbar – and it has a really interesting idea about surround sound. If you have a pair of Bose Ultra Open Earbuds, you can use them as your surround speakers.

Bose is combining the strengths of its soundbars and clip-on Ultra Open Earbuds for a new home theater feature that can fool your ears (and brain) into thinking that you’ve got actual rear surround sound speakers — simply by playing audio through the earbuds.