1. Press and hold for 5 seconds to turn the soldering iron on or off, enabling quick heating and cooling. 2. Made of high-quality stainless steel, portable, easy to operate, convenient and practical. 3. Fast heating with high/medium/low temperature settings. 4. Suitable for crafts such as hand weaving, thread cutting/wiring/finishing, wax melting and carving, jewelry making, bead work, and woodboard hot stamping. 5. Features auto sleep mode after 10 minutes of inactivity. Product Name: USB Hot Wire Pen (with Cover) Suggested charging voltage: 5V Voltage: 2.7V-3.4V-4.2V (adjustable) Battery capacity: 650mAh Charging time: 60 minutes Usage time: 30 minutes Working temperature: 330°C-450°C Auto sleep: 10 minutes Applicable scenarios: Hand weaving, wire cutting/connection/finishing, wax melting and carving, jewelry making, bead work, woodboard hot stamping, etc. Note: Due to different production batches, there may be slight variations in product appearance, color, or printed text, which do not affect functionality. Color: Orange Material: Stainless steel Package Contents: 1 x USB Hot Wire Pen Kit Note: Other items not included. Light reflection and display differences may cause slight color variation between image and actual item. Measurement error allowed is +/- 1-3 cm.