By using soft fabric, this electric heating pad is comfortable, wearable and durable, and can be placed in jackets, vests and other clothing to keep warm and heated. Having good thermal insulation effect and three temperature adjustment modes, this electric heating pad can adjust the temperature according to the actual situation and bring you a comfortable experience. It is constructed of composite fiber material. The length of a heating pad is 8 cm, the width is 16 cm. It is widely used for warming shoulder, neck, waist, back, abdomen and cushion or pet bed. Item Name: Cloth Heat Pad Material: Composite Fiber Features: 3 Gears, Power Saving, Water Proof Specification: 4 Pieces of Heating Pads Into One Power Supply Mode: USB Charging Input Voltage: 5V 2A Adjustable Temperature: 45 to 65 Degrees Celsius Gear Setting: Red Light (High-Gear), Blue Light (Mid-Gear), Green Light (Low-Gear) Size Details: 8cm x 16cm/3.15 x 6.3 (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Cloth Heat Pad