Long service life, made of all metal aluminum alloy material, durable and long-lasting; Instructions for using the igniter: The product comes with a type-c interface. Simply insert the product into a device with a TYPE-C interface, and when the light on the product lights up, aim it at the heating metal tungsten wire and gently blow it. The heating metal tungsten wire will ignite instantly Advantages of USB Igniter: This product uses a USB direct insertion power on ignition method, which avoids the danger of the product carrying batteries and gas, effectively preventing the product from posing a safety threat to the human body. The product is compact and easy to carry, windproof, no open flames, energy-saving, and is a modern and technologically advanced igniter Scenario: The product is a modern technology electronic product without batteries, gas, or open flames. It can pass through security checks and is suitable for use in occasions such as airplanes, trains, high-speed trains, tourism, outdoor activities, and gatherings Ultra thin size, very convenient - super compact and slim. Convenient to carry, moderate weight, so you won't forget to put it in your pocket. Size: 1.73 * 0.39 * 0.39 inches (approximately 4.4 * 1 * 1 cm), Weight: 0.31 ounces (approximately 9 grams); Reminder: This product does not support the use of Samsung phones. Customers using Samsung phones are advised to purchase with caution. Thank you