Get back to basics with the Ooze Slim Clear vape pen battery! This 510-thread vape pen is equipped with all the essential features in a familiar design with a compact size and surprisingly low price point. Each 400 mAh battery has flex temp with three voltage levels, prep mode, and type-C charging, and the button controls all functions. In addition, the Slim Clear Battery has a nostalgic feel with a transparent plastic body that shows the internal contents. The Ooze Slim Clear Series are simple vape pen batteries that are easy to use. One of the most affordable Ooze battery options, the Slim Clear includes all the important functions. Click the button 5x to turn it on and off, and press and hold the button to heat it and take a hit. Click the button twice to activate Prep Mode, which clears any clogs in the cartridge airway. Safe Sesh Mode stops the heat cycle after 10 seconds to prevent overheating. The Slim Clear has a clear plastic covering that shows off the internal components of the device, similar to the transparent electronics from the 90’s. The device is powerful with 400 mAh, which means it has great battery life. There are three flex temp options: 2.7V (blue LED), 3.3V (green LED), and 4.0V (red LED), click the button 3x to change voltage levels. Each Slim Clear includes a type-C charging cable for rapid charging. Features SLIM CLEAR SERIES | The Ooze Slim Clear Vape Battery is a 510 thread device that is compatible with all 510 oil cartridges and attachments. It is a compact 400 mAh device with a unique transparent look. FLEX TEMP | The Slim Clear vape is a flex temp device which means it offers multiple voltage levels. Click the button 3x to switch temperatures: 2.7V (blue LED), 3.3V (green LED), and 4.0V (red LED). PREP MODE | Activate Prep Mode by clicking the button 2x. This is a gentle heat cycle that clears any clogs in the cartridge’s airway. Click the button once to exit Prep Mode. SAFE SESH | The battery will heat for a 20 second cycle before automatically stopping the cycle. This prevents the battery from overheating and preserves the terpenes in the cartridge. Click the button twice to activate prep mode; the battery will heat for 15 seconds without holding down the button. Features  Features a wide 510 crown to accommodate cartridges of all diameters Powered by a high-quality 260mAh lithium-ion rechargeable battery core 3-LEDs indicate battery life and power settings Four (4) power/voltage settings (2.4V, 2.8V, 3.2V, 3.6V) USB-C charging port + cable What's In The Box 1 x Ooze Slim Transparent Battery 1 x Type C Charger