1. Black Technology Warmth: Using advanced heating technology, 22 areas of the body are heated, fully upgraded, allowing you to feel warm in the cold winter.
2. Intelligent Temperature Control System: 25~55°C adjustable temperature, 3 levels of temperature control, one-button temperature control, allowing you to adjust the temperature according to your needs.
3. 10 Seconds Rapid Heating: Using efficient heating materials, it can be heated in 10 seconds, allowing you to quickly feel warm in the cold winter.
4. 5V Voltage: Only heat conduction, no electricity conduction, safer to use.
5. 8+ Hours of Long-lasting Battery Life: Built-in large-capacity battery, a single can be used for more than 8 hours, allowing you to keep warm for a long time when you are out.

Spec:
Specifications:
Material: Knit : 95% cotton, 5% spandex, Lining: 95% polyester, 5% spandex
Color: Black
Input voltage: 5V
Power: 7.5W
Size: M-3XL)Optional)
Weight: 965g/34oz - 1100g/38.80oz

packing list:
1 * Heated underwear top
1 * Heated underwear pants