Turn your smartphone into a playable wind instrument with this USB-C mouthpiece The Zefiro is a tiny USB-C MIDI controller that can be played like a wind instrument. | Image: KickstarterAn Italian startup called Artinoise has created an unusual USB-C accessory for mobile devices that turns them into playable musical instruments. The Zefiro looks like a flash drive or a tiny vape, but by gently blowing into one end, it can b…