There is a tiny component inside disposable vapes that people mistakenly assume is a microphone. It is not. It is a special sensor that causes the heating element to produce vapor when triggered. ### 4 projects that use recycled disposable vape batteries How to Make Vape Battery Last Longer Ooze How to Make Your Vape Last Longer? Tips & Tricks! Homemade Vape Pen (e cig) : 4 Steps Instructables About Lithium Battery, What Vapers Need To Know