Contents: 1 x Lithium Ion Battery 1 x Optimus Cartridge 1 x Empty Cartridge 1 x Atmos Cone 1 x USB Charger 1 x Wall Adapter 1 x User Manual About: The Atmos Optimus Xpress vaporizer is a pen style herbal vaporizer used exclusively for essential oils. The heating element is unique to these herbal vaporizers because it goes through the entire center of the oil cartridge. This ensures quality, even heating for optimal vaporization. Each cartridge also has a measuring scale feature for when filling the cartridge with the essential oils. Each kit comes fully equipped with 1 lithium ion battery, 1 Optimus cartridge, 1 empty cartridge, 1 Atmos cone, 1 USB charger, 1 wall adapter, and 1 user manual.