Introducing the COB Lighting Rechargeable USB Lighter the perfect accessory for anyone looking for a convenient and eco-friendly way to light up their life!With advanced COB lighting technology, a reliable choice for camping, outdoor activities, and emergency situations where you need a strong and consistent source of light. [Waterproof Design] This cool lighter made with metal-ring sealed lighter cover and locking clasp . The whole machine can wade in water,water does not seep inside,no fear of rain . Is your best choice when you go camping,travelling,survival tactical or hiking. [Windproof Design] This Transparent Case lighter adapt flameless plasma technology.The radio waves generated by plasma technology can be used in strong winds or humid environments. there is no open flame, it will not be blown out, which is the perfect tool for lighting under bad weather. [USB Rechargeable] This fashion lighter adopt build-in rechargeable lithium battery and reusable,about 2 hours full charged. No gas or butane required,clean and very convenient to charge through a computer, socket, Car, power bank. [Battery Notification] This is the upgraded arc lighter which can display real time battery volume. When The 4 LEDs on the body light up, indicates that it is fully charged to100%.