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 suitable for about 30 minutes How to use: After pressing five times in a row, press and hold to start the soldering iron. Each start-up lasts suitable 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. Press five times in a row, then press to start 2. Press 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.