USB rechargeable, no more butane refill required. You can charge through USB cable by computer,cell phone and more. -- Flameless: Butane free, no harm to the environment and the body, more safe and Eco-friendly. -- Windproof: No flame, the lighter works well in rainy day and windy day, ideal for camping, travelling or other outdoor activities. -- Premium quality: It is made from high quality zinc alloy, which is wear resistant, rust proof and durable. It is easy to carry. -- Compact design: Easy to carry anywhere, light weight, so convenient to put in your pocket. -- Touchscreen: You just touch the touch sensor to ignite it in about seconds. And if you touch again, the lighter will be off. -- LED indicator: When charging, the blue light will keep flash. When charging is complete, the blue light will illuminate. If you are igniting, blue LED light flashes. -- Safety: Advanced, smart battery will power off automatically when leak or emit heat. It also features over charge voltage protection.