【SMART HEAT ACROSS BODY】: Heat quickly in seconds, 8 carbon fiber heating elements generate heat across core body areas (shoulder, back, waist, Hind hip, knee), using carbon fiber heating technology, temperature controllable, quickly reach ５５℃/ １３１℉

【TEMPERATURE CONTROL】: three-speed temperature control, blue energy-saving gear (４２℃/１０８℉), white comfort gear (４８℃/１１８℉), red warm gear (５５℃/１３１℉), Press and hold the button for 3 seconds to turn on, lightly press Button one-button shift. When the temperature inside the clothes reaches ５５℃, the heating will be automatically stopped.

【MULTIFUNCTION】: Our USB Heated Clothes not only can it be used for winter heating, but also has obvious physiotherapy effects. Heated clothing can help improve blood circulation, enhance metabolism, reduce muscle stiffness, etc., activate blood and keep the body warm. It is a perfect gift for the elderly, lovers or friends. The best Thanksgiving and Christmas gifts

【USB INTERFACE】: The electric thermal underwear uses a USB interface. This means you can use any 5V/2A power pack to power the thermal underwear. A 10,000 mA power bank can generate heat for at least 8 hours in thermal underwear. Note: There is no power bank!

【WASHING INSTRUCTIONS】: Machine washable/hand wash. If it is machine wash, please put the clothes into the laundry bag to wash. To ensure the service life of the clothes, try to avoid strong washing and dry normally. Rinse it with clean water after washing.Do not wring it out. Hang dry it naturally．(Please refer to Size Chart in the picture, choose the clothes that suit you best according to your own size, and choose a larger size if you are obese or prefer loose.)