https://image.made-in-china.com/44f3j00ktMhyQTsObUp/Ijoy-IC8000-Puffs-Elf-Electronic-Cigarette-Rechargeable-Pen-Vapes-8K-Puff-Bar-Pod-Device-Factory-Wholesale-Disposable-Cheap-Vape.webpDisposables usually are attract-operated equipment, so there is not any need for a button. The chipset activates the battery whenever you attract over the mouthpiece