HoloLens is a Augmented Reality smartglasses developed by Microsoft. The Development Edition was released on March 30, 2016. Microsoft HoloLens is made up of specialized components that together enable holographic computing. Containing more computing power than the average laptop, HoloLens is passively cooled without fans. With no wires, external cameras, or phone or PC connection required. The HoloLens contains an internal rechargeable battery, with average life rated at 2–3 hours of active use.