Get reliable vapors in an easy-to-use and compact unit with the HoneyStick Stylus Auto-Draw 510 Cartridge Battery. Equipped with universal 510 threading, this pen style unit is great for traveling and stashing in pockets or discreet at home use. Engage in a sesh using auto-draw activation; just inhale to enjoy! At the base of the unit is a stylus tip which cleverly disguises the single button within; press the button to power the device on and off, as well as changing voltages. The stylus tip can also be used on any touchscreen devices so you can puff and scroll while killing time. This model is programmed with four voltage settings and an additional preheat mode for thicker oil consistencies or preventing clogged carts. Charge up this battery with the included 510 USB charger.