Cordless & Rechargeable: Powered by a 1100mAh lithium battery with USB-C fast charging, it delivers 30 minutes of continuous precise operation on a single charge (full recharge in 2.5 hours). Say goodbye to annoying thread tangles and make your handicraft work easier. Interchangeable Tip: It equipped with an ultra-fine tip and it will reach 420°C/788°F in 1 second for clean cuts across materials like polyester threads and leather cords. Paired with a heat-resistant metal tip cap for safe storage. Easy Operation: Thread cutting tool activates with a simple 5-click to turn on/off. One simple button pressure to activate heating with immediate cooling upon release - ideal for controlled precision work like leather sewing and embroidery thread sealing. Portable and Safe: With small and compact package (5.6"x3.2x0.83") the pen-like size (6.5"x0.55") is so portable to carry in bag or stored in shelf. In addition, it will activate 5-minute auto-sleep mode during continuous heating to prevent overheating so as to extend component lifespan and ensure safe operation. All-in-one Kit: The kit includes cordless Pen x1, Replacement Tipx1, USB-C cable x1, Cleaning Brushx1 Color: Silver Material: Aluminum Alloy Package Contents: 1*set thread burner