The Slim Twist is a sleek and stylish vape battery that looks like a pen. Its 510 thread connection is compatible with all pre-filled oil cartridges and can also be used with wax attachments and other 510 accessories. Simply screw it on, press the button 5x to turn it on and off, and press the button to heat and take a puff. Get rid of those annoying clogs in your cartridge’s airway by running a cycle of Prep Mode. Click the button twice and let the cycle complete. We recommend doing this before the start of each session. Use the dial on the bottom to select a voltage between 3.3V-4.8V. Lower temperatures work best with oil cartridges. Turn up the heat to extract attachments. BEST SELLER | The Slim Twist is the best-selling Ooze battery ever! This is the 1.0 version device and has a 320 mAh battery. 510 THREAD | The Slim Twist Pen is a 510-thread vaporizer battery. Pair it with a pre-filled oil cartridge, an attachment for extracts, or any other 510 accessories. FLEX TEMP | The Slim Twist offers a voltage range between 3.3V-4.8V. Select the temperature using the dial on the bottom. PREP MODE | Click the button twice to activate Prep Mode. This heat cycle clears any clogs in the cartridge airway before the session begins.