The Wispr portable vaporizer is the newest vaporizer by Oglesby & Butler, the creators of the Iolite and later the Iolite 2.0. The Iolite was and still is one the most popular portable vaporizers available. Mostly due to its small size and how it works even in some of the most extreme conditions. With the Wispr they set out to improve on the Iolite across the board, but have they? Let’s take a look and find out.