• Re-engineered with advanced technology, this super hand warmer combines hand warming, two-way fast charging, and emergency lighting in one, designed for those who love outdoor activities but hate the cold; suitable for outdoor work, sports, and home use.
• New-generation high-strength magnetic charging connection lets one cable charge two devices at the same time, with portable storage to help prevent loss.
• Innovative parallel control allows the two magnetic units to connect together and sync with one button.
• A pair of dual cells with a total capacity of 20,000mAh provides ultra-long battery life, and the single unit can still continuously heat for 7-8 hours in low-temperature environments.
• 40 temperature settings, starting at 40°C and adjustable in 0.5°C increments up to 60°C, deliver precise constant heating without sudden hot-and-cold swings.
• IP65 water-resistant design, so outdoor rain and snow are no problem.
• Type-C interface with 18W fast charging and reverse charging support, compatible with the latest iPhone charging.

Product Specifications

• Heating levels: 40 levels in Celsius (0.5°C increments) and 72 levels in Fahrenheit, with switchable Celsius/Fahrenheit display.
• Heating temperature: 40°C–60°C, starting at 40°C, with last-setting memory.
• Heating duration: 40°C ≥ 10 hours, 50°C ≥ 7 hours, 60°C ≥ 5 hours (tested at an ambient temperature of 15°C).
• Function display: white LED beads (diodes).
• Lighting: white, 1W, 90–120 lumens, 2 brightness levels + SOS.
• Magnetic function: sync function and simultaneous charging.
• Battery capacity: 20000mAh total for the set, 10000mAh per side.
• Battery specification: 706074 polymer cell.