It's a vape, it's a kazoo! Nope, it's a Zefiro ... your "breath power," which is translated in the Zefiro app into the sounds of various instruments. The app will be available for iOS and Android ...

At the end of the day, of course, it's absolutely not that serious: the kazoo makes an interesting sound, and Dave likes it. Or, at least, he's intrigued by it. It could be worse. He could have ...