The Omni Disposable Vape Pen Pod Device requires no maintenance due to it's simple and disposable nature. The Omni Vape Pen is a throwback to the old school style automatic batteries with a new modern design. The Omni Vape Pen features no buttons and is automatically activated when you inhale. The Omni Vape Pen features an incredibly slim and compact vape pen design for easy portability and use. The Omni Vape Pen features a non-refillable design with salt based nicotinee-Liquid from Omni E-Liquid.