Fangrui Product Details [innovative Technology]usb Soldering Iron Cordless Soldering Kit Is Built-in Rechargeable Lithium-ion Battery To Provide Power, Free From Cable. Widely Used For Soldering Circuit Boards, Appliance Repair, Jewelry And Metal Headwear Making, Computer And Diy. [easy Operation] When The Usb Soldering Iron Is Turned On, Just Keep Pressing The Power Button For 10 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. [worry-free Battery Life] The Usb Soldering Iron Kit Adopts 800amh Capacity Battery, Which Can Work Continuously For 20 Minutes After Fully Charged To Meet Your Normal Working Needs. [three Modes]exclusive Three Adjustable Modes, Low, Medium And Highthree Gears, Can Make You More Comfortable To Face The Temperature When You Need To Work. Name: Usb Soldering Iron M