The generation of iblazer doesn't need to be plugged into the earphone jack. The iblazr mobile phone flash consists of four powerful LEDs that work with an included camera app to provide more light when shooting both photos and video.
Glow: The First Smart Headphones with Laser Light by Glow, LLC — Kickstarter. Feel the beat. Glow merges state-of-the art sound technology, laser light and a heart rate sensor for an experience like (Tech Gadgets)