Versatile by design, the Inspo works with both 510-thread cartridges and our sand quartz atomizer (sold separately), giving you the freedom to switch between carts and concentrates discreetly with ease. Inspo is available in seven vibrant colors and is compatible with any USB-C charger (not included). PRODUCT SPECIFICATIONS Battery mAh: 650 mAh Voltage Range: 2.8v, 3.4v, 3.8v Device Heat-up Time: 15 Seconds Device Resistance: 0.8 - 2.0 ohm What's Included in the Kit: Inspo Vaporizer, User Manual