USB charging plug, lithium battery soldering iron, small and portable, easy to carry, built-in long-life lithium battery, fast heating, easy to use. 15W power charging fast, no waiting, say goodbye to slow speed, no waiting. Red indicator light - charging; Green indicator light - fully Environmentally friendly soldering iron tip heats up quickly When fully , it can work continuously for about 30 minutes How to use: After pressing five times in a row, and hold to start the soldering iron. Each start-up lasts for about one minute. When the time is up, the protection device is triggered. If you want to continue welding, continue the above operation. 1. five times in a row, then to start 2. until the light turns on to start soldering Product name:USB soldering iron Power:15W Temperature:420℃ Weight:93g Battery:13700 type/1100 mAh Continuous use:30 minutes Colour:As Shown Material:iron Size:16x1.4cm Package Contents: 1 * rechargeable soldering iron Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.