Sumvov Rechargeable LCD Thread Burner 3-Speed 2.7V/3.4V/4.2V 650mAh USB Pen

About this item

Hassle-Free Exchanges & Returns for 30 Days. · 6-Month Limited Warranty. Specification and Model Built-in 650mAh lithium battery, this thread burner fully charges in 60 mins with the included USB-C charging cable. Product size: 150x14mm, lightweight and portable. Compact wireless burning pen for home, office and outdoor DIY use. Smart Chip Technology Wireless fast heating design, 30 mins continuous working time on full charge. Digital LED screen displays real-time battery voltage, 3 adjustable voltage modes: 2.7V low / 3.4V medium / 4.2V high, working temperature range 330-450 C. Built-in smart heat control chip with overheat protection. Pen Body Material & Structure Made of premium stainless steel, detachable burning tip for easy replacement. Integrated rechargeable battery design, no replaceable external battery needed, simple one-piece structure for daily crafting. Hot Line Pen Safety Features Fast heat up, lightweight single-hand operation. Safe long press 5 seconds to power on/off, effectively avoids accidental heating when stored in bags for safe carry. Auto 10-minute sleep mode to save power and prevent overheat risk. Widely Used Applications Perfect for braid thread cutting & sealing, wax melting carving, wood branding, jewelry bead weaving and embroidery craft. Melts thread ends cleanly to prevent fraying, ideal for all handmade DIY projects. Product Specifications: Voltage: Adjustable 2.7V / 3.4V / 4.2V Battery Capacity: 650mAh Charging Time: 60 minutes Continuous Working Time: 30 minutes Operating Temperature: 330-450 C Auto Sleep Time: 10 minutes What's in the box 1 x Thread Burner Pen 1 x USB-C Charging Cable