This rechargable vape battery comes with a custom HempX carrying case! The magnetic carrying case includes a pen battery, battery charger, and a designated open slot to house your vape cartridge. Please note that the vape cartridge is NOT included. This 350 mAh battery is controlled by a single button for easy operation. Simply press the button 5 times to turn on the battery. Press the button three times to cycle through 3 heat settings. The LED lights in the button and bottom of the pen are color-coded as follows: Green-3.7 volts, Blue-3.9 volts, Red-4.1 volts, White- bottom indicator light. A 510-threaded USB charger is included for convenience charging from your car, home or computer. Our customers use vapes for a variety of reasons including, (but not limited to), stress relief, anxiety relief, supporting a sense of calm, and general wellbeing.