Compatible with most 510 threaded cartridges. Available in 4 colors. *SILO equipped with CCELL cartridge and battery, is the ultimate combination of aesthetics and functionality. *Designed in California, SILO has large battery capacity with no problem to generate 250+ puffs after every charging. *Magnetic connector is the easiest way to seamlessly attach the cartridge on top, taking away all the hassles. *Petite size, fine-textured grip plus stealthy breathing indicator give you the best comfort level and concealment possible. Black, Grey, Pink and Blue colors available. Aluminum alloy housing exhibits graceful and mature style. *CCELL batteries are capable to provide 25% more vapor volume compared to other brands. HIGH PERFORMANCE BATTERY *Battery Capacity: 500mAh *Aluminum Alloy Housing *Magnetic Connection *Standard 510 Thread *Inhale Activated *Stealthy Breathing LED Indicator Light *High-Quality Circuit Board with Multiple Protections. *USB Rechargeable Battery *Dimensions: 55.0H x 42.0W x 8.9D (mm)