Features: Fast heating and cooling: This mini soldering iron uses a 5V for DC power supply and uses a special internal heat type soldering iron tip, which heats up quickly and centrally. It heats up in 15 seconds and cools down in 35 seconds, greatly improving your work efficiency. CONVENIENT: This soldering iron is small and lightweight, making it easy to put in a tool bag and take to the workplace. USB data cable, can be powered by computer, mobile power supply or phone charger. Safe automatic sleep function: When it does not work for more than 25 seconds, the indicator light will automatically turn off and automatically enter standby mode. This function can better prolong the service life of the welding for head, save electricity, and be safer. Simple operation: Simple and convenient operation, wireless design, safe to use, reasonable size, suitable for home use and out-of-home use. Widely used: This USB soldering iron can be widely used in small-scale circuits, electrical accessories, welding, jewelry repair, DIY enthusiasts, etc. Convenient and practical, it's the perfect gift for a friend in need. Package Includes: 1 Set Electric Soldering Iron Specifications: Material: Iron Weight: 90g Size: 25cm/9.84inch Color: Silver/Red/Blue/Black note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.