Modes: Choose from three voltage settings (2.4V, 2.8V, 3.2V) for your preferred experience Battery Life Indicator Design: Lightweight, impact-resistant thermoplastic polymer body Battery: 500mAh capacity for extended use Dimensions: Compact at 42mm x 20mm x 57mm Compatibility: Works with 510-thread cartridges up to 14mm with a clear cartridge viewing window Activation: Inhale-activated (auto-draw) Charging: USB Type-C for fast, convenient charging