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 selectable high, medium, and low temperature settings. 4. Ideal for crafts such as hand weaving, cutting or connecting threads, wax melting and carving, jewelry making, bead work, woodboard hot stamping, and other DIY applications. 5. Features auto sleep mode after 10 minutes of inactivity for safety and energy saving. Product Name: USB Hot Wire Pen (with Cover) Suggested Charging Voltage: 5V Operating Voltage: 2.7V–3.4V–4.2V (adjustable) Battery Capacity: 650mAh Charging Time: Approximately 60 minutes Usage Duration: Up to 30 minutes on a full charge Working Temperature Range: 330°F–450°F Auto Sleep: Activates after 10 minutes of inactivity Applicable Scenarios: Handicrafts, thread cutting/joining/finishing, wax melting, carving, jewelry, bead work, woodboard hot stamping, and similar tasks Note: Product appearance, color, and labeling may vary slightly between batches due to manufacturing updates, but these differences do not affect functionality. Color: Black Material: Stainless Steel Package Contents: 1 x USB Hot Wire Pen Kit (Only the items listed above are included; additional accessories or products shown are not included) Note: Lighting effects and display settings may cause slight variations in color representation between the image and the actual product. Measurement tolerances may vary by ±1–3 cm.