Women"s heated underwear set, 22 heating zones, intelligent temperature control, 10 seconds rapid heating, 5V safe voltage, 8+ hours of battery life, water-resistant. Features: 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. Intelligent Temperature Control System: 25~55 degrees C adjustable temperature, 3 levels of temperature control, one-button temperature control, allowing you to adjust the temperature according to your needs. 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. 5V Safe Voltage: Only heat conduction, no electricity conduction, safer to use. 8+ Hours of Long-lasting Battery Life: Built-in large-capacity battery, a single charge can be used for more than 8 hours, allowing you to keep warm for a long time when you are out. Specifications: Material: 95% cotton, 5% spandex Label: Yes Color: Black Input voltage: 5V Power: 7.5W Size: M-3XL(Optiona) M: Top, Length: 55.5m; Shoulder Width: 35cm; Bust: 84cm; Pants, Lenth: 94cm; Hips: 84cm L: Top, Length: 57.5cm; Shoulder Width: 36cm; Bust: 88cm; Pants, Lenth: 95.5cm; Hips: 88cm XL: Top, Length: 59.5cm; Shoulder Width: 37cm; Bust: 92cm; Pants, Lenth: 97cm; Hips: 92cm 2XL: Top, Length: 61.5cm; Shoulder Width: 38cm; Bust: 94cm; Pants, Lenth: 98cm; Hips: 96cm 3XL: Top, Length: cm; 62.5Shoulder Width: 39cm; Bust: 100cm; Pants, Lenth: 99cm; Hips: 100cm Weight: 965g/34oz - 1100g/38.80oz Washing Care: Hand or machine wash Package List: 1*Heated underwear top 1*Heated underwear pants