Fangrui Product Details 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 Annoying Tangled Cords And Battery . Interchangeable Tip: Our Thread Cutter Is Equipped With An Ultra-fine Tip And It Reach 800/1472 In 1-2 Seconds For Clean Cuts Across Materials Like Polyester Threads And Leather Cords. Paired With A Heat- Metal Tip Cap For Safe Storage. Easy Operation: Thread Burner Tool Kit 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 The Cautery Pen (6.5x0.55inch) Is So Portable To Carry In Bag Or Stored In Shelf. In Addition, It Activate 5-minute Auto-sleep Mode During Continuous Heating To Prevent Overheating So As To Extend Component Lifespan And Safe Operation. Color:silver Material:metal Package Contents: 1 * Pen 1 * Usb-c Cable 1 * Cleaning Brush 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.