Fits up to a 2G 510 thread cart in a discreet vape looking device. Battery: 650mAh rechargeable battery for extended use. Voltage Settings: Offers three variable voltage settings (2.8V-Green, 3.4V-Blue, and 3.8V-Red) for customizable vaping experience. Cartridge Compatibility: Accommodates 2-gram cartridges. Design: Sleek and discreet design, disguised as a disposable device. Charging: USB-C cable for fast charging.