13 Heating Zone Electric Heated Underwear Set Winter Thermal USB 5V Cold-Proof Underwear Suit for Men Women - M

• 【13-Zone Full Body Heating】Comprehensive heating coverage with 5 zones on the top (shoulders, back, elbows, waist) and 8 zones on the bottom (hips, abdomen, knees, thighs, calves) for complete warmth.

• 【3-Level Temperature Control】Three adjustable temperature settings with LED indicators - high (≈48°C/red), medium (≈42°C/blue), and low (≈38°C/green) for personalized comfort.

• 【Carbon Fiber Heating Elements】Advanced carbon fiber heating wires provide rapid, even heating with excellent durability and flexibility for machine washing.

• 【Safe 5V USB Power Supply】Low-voltage 5V operation (well below the 24V human safety threshold) with external power bank compatibility for worry-free use.

• 【Premium Mink-Feel Fabric】Luxurious composite construction with 95% cotton outer layer and soft mink-like polyester inner lining for superior comfort and warmth retention.

• 【One-Button Operation】Simple press-and-hold 3-second activation with intuitive physical controls - no app required, perfect for all ages.

Specifications:

• Power Supply: USB 5V/2A interface
• Outer Material: 95% Cotton, 5% Spandex
• Inner Lining: 90% Polyester, 10% Spandex (Mink-feel)
• Electromagnetic Radiation: <10μW/cm²
• Care Instructions: Machine/Hand washable (disconnect power before washing)