1. USB Cordless Soldering Kit Are you plagued by power or short wires when soldering? This Cordless Welding Kit with Builtin Lithium Battery Gets Rid of Wires and enables to do soldering anywhere without limitation. Widely used for welding circuit board, appliance repair, jewelry and metal headdress making, computer, DIY and some small workplaces 2. Easy ChargingLong Endurance The soldering kit with 800amh capacity battery, Charging time 50 minutes and can last for 20 minutes after full charged, Can work while charging 3. Easy Operation When the USB soldering iron is turned on, just keep pressing the power button for 8 seconds, the soldering kit will heat up to 400℃, effectively melting the repair circuit board. Once the work is done, place the soldering head on the stand and it will cool down within 1 minute. Ideal for beginners, solderers, basic household equipment, soldering engineers in training, etc 4. and Safe This soldering pen 5.9inch, 1.76ounces, small size and light weight, the portable soldering iron can be put into the pocket. The 10 watts are also r in use