USB Cordless Thread Zapper: Powered by a 1100mAh lithium battery with USB-C fast charging, this cordless tool delivers 30 minutes of continuous precise operation on a single charge (full recharge in 2.5 hours). Say goodbye to tangled cords and battery hassles. Interchangeable Tip: This thread cutter features an ultra-fine tip that reaches optimal cutting temperature in 1-2 seconds for clean cuts on materials like polyester threads and leather cords. Includes a heat-resistant metal tip cap for safe storage. Easy Operation: The thread burner activates with a simple 5-click power sequence to turn on/off. Press and hold the button to activate heating; it cools immediately upon release, enabling controlled precision for tasks like leather sewing and embroidery thread sealing. Portable and Safe: Compact design (6.5 x 0.55 inches) makes the cautery pen easy to carry in a bag or store on a shelf. Features a 5-minute auto-sleep mode during continuous use to prevent overheating, helping extend component lifespan and ensure safe operation. Color: Silver Material: Metal Package Contents: 1 x Pen 1 x USB-C Cable 1 x Cleaning Brush Only the above items are included; other products are not included. Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.