The Smokey's ELF 510 Variable Voltage by HoneyStick is a discreet pen-style vaporizer battery, perfect for on-the-go. Featuring 3 heat settings to vape at your preferred temperature for your ideal flavour and vapor. This vaporizer sports a powerful 400mAh high-capacity stick vape battery to keep you vaping around the clock. This kit includes a micro USB cable for charging, and is compatible with most standard 510 thread cartridges. HoneyStick Battery Features Use Concentrates 510 Thread Variable Voltage Vape Battery 3 Temperature Setting ( 4.0V Blue, 3.7V Green, 3.4 Red) High Capacity 400 MAH Battery Micro USB Pass Thru Charging Micro USB charging cable included.