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: Equipped with an ultra-fine tip that reaches 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: The thread cutting tool activates with a simple 5-click to turn on/off. One simple button pressure activates heating with immediate cooling upon release - ideal for controlled precision work like leather sewing and embroidery thread sealing. Portable and Safe: With a small and compact package (5.6"x3.2x0.83"), the pen-like size (6.5"x0.55") is portable enough to carry in a bag or store on a shelf. Additionally, it activates a 5-minute auto-sleep mode during continuous heating to prevent overheating, extending component lifespan and ensuring safe operation. All-in-one Kit: The kit includes cordless Pen x1, Replacement Tip x1, USB-C cable x1, Cleaning Brush x1. Color: Silver / Blue Material: Aluminum Alloy Package Contents: 1*set thread burner Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.