Welcome to our store! USB Cable: This thermostatic pad comes with a USB cable that can be used with a charging bank, computer charging head, or household USB interface. It is lightweight and portable, making it convenient to carry around. For better performance, it is recommended to use the adapter. Fast Heating: This thermostatic pad offers fast heating and cooling capabilities. Enjoy a refreshing cold drink in summer or a warm beverage in winter. Easy Operation: Simplify your experience with one-touch operation to control heating and cooling functions effortlessly. High Efficiency Cooling: The design features a pressure-free chassis with large exhaust holes for rapid heat dissipation and prolonged durability. Multiple Uses: Ideal for dormitories, homes, and offices, this thermostatic pad is a versatile product that can keep your beverages cold in summer and warm in winter. It also makes a great gift for family, friends, and children. Product Details: - Material: ABS - Gross Weight: 820g / 28.9oz - Power Supply Mode: USB power supply, 12V 3A adapter power supply - Refrigeration Heating Plate Size: Diameter: Approx. 100mm / 3.9in - Product Size: Approx. 166 x 86mm / 6.5 x 3.4in - Input Voltage: 100-240V US - Working Voltage: 12V - Power: 36W - Temperature Range: Can reach a maximum temperature of 108℃ and cool down to 0℃ Package Includes: - 1 x Thermostatic Pad - 1 x USB Cable - 1 x Manual - 1 x Adapter 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service. Thank you for shopping with us!