A compact, rechargeable 510-thread battery designed for compatible vape cartridges. Easy button controls make it simple to operate: 5 clicks: Power ON/OFF — wait for the indicator light. 3 clicks: Change voltage/heat setting — wait for the light to confirm. 2 clicks: Preheat mode — wait for the indicator light. To use: Press and hold the button while inhaling, then release when finished. Slim, portable, and easy to use for everyday vaping.