2. Wind Safety: No Butane/Gas Required, Ignition Safety, Environmental Protection, Lightweight, Compact, Smart Chip, Fast Charging, Wind Proof, Weatherproof.
3.USB rechargeable and reusable: The package comes with a USB charging cable, which can be charged by laptop, car, socket, power bank, etc. Built-in lithium battery, no need to refuel, save money and save energy.