Features: QUCIK HEATING: The temperature can reach 65 in 30 seconds. You can get your body warm quickly even in extreme cold weather. 3 HEATING LEVELS: There are 3 heating levels, respectively are high temperature of 55-65, medium temperature of 45-55, low temperature of 38-45. 5 HEATING SHEETS: With large heating area, your body can quickly get warm in winter. WASHABLE: When the pad gets dirty, you can wash it by hands or just put it in the washing machine to clean it. USB CHARGING: Just connect the powerbank to start using this pad, convenient and easy. The power supply interface of 5V/2A is safe for daily use. MULTIPLE USES: This pad can not only be used to get warm, but also can be used to relieve back pain, headache, stomache, cramp and so on.