Features This USB heating pad is 20*10cm, heating temperature is 35-45 degrees It is mainly used to warm shoulder, neck, waist, back, abdomen and cushion or pet bed Light in weight, easy to carry It is safe and easy to use, and can be fixed around the sewing It is can be bended and can be washed by water Descriptions: This USB heating pad is 20*10cm, heating temperature is 35-45 degrees.It is safe and easy to use. It is mainly used to warm shoulder, neck, waist, back, abdomen and cushion or pet bed. Light in weight, easy to carry. Features: It is mainly used to warm shoulder, neck, waist, back, abdomen and cushion or pet bed. This USB heating pad is 20*10cm, heating temperature is 35-45 degrees Light in weight, easy to carry. It is safe and easy to use, and can be fixed around the sewing It is can be bended and can be washed by water. Specifications: Material: carbon fiber Color: black Maximum voltage: 5V Power supply mode: USB Heating film:20 x 10cm/7.87 x 3.94inch Wire: 1.5m/59.06inch Heating temperature: 35-45 degrees Use method: 1. Connect the computer USB interface / 2. Connect the charging treasure / 3. Connect the power adapter with 5V 1A or (2A) Package Included: 1 x USB Heating Pad Note: Only in the insulated environment such as sewing between clothes or a quilt, it can be heated to about 40 to 45 degrees, and the heating time will be 20 to 40 minutes. Package List