100% brand new and high qualityFeatures:Usage: Press and hold this button for 3 seconds to turn on the machine. When the temperature is high, the output is 100% voltage and the red light is on. After 5 minutes, it will automatically return to medium temperature and the green light will be on. Press this button to control the temperature rise at medium to low. Press and hold the button for 3 seconds to turn off.Easy to use. You can use the 5V 2A power supply to put it directly into jackets, vests and other clothing for heating and heating, such as computers, power adapters or power packs (not included).Scope of application: clothes, vests, waist, abdomen, pets, etc. Please avoid using the central heating wire when sewing. The maximum temperature is 65 degrees Celsius.Foldable, with a certain degree of waterproofness, uniform heating, washable, but do not soak in water for too long (stick the cloth together, long-term soaking will affect the adhesion)Lightweight and portable, convenient to carry during winter camping or other activities. This also applies to people who are afraid of the cold, they no longer worry about winter.Don't let yourself, babies or people who are not sensitive to heat. Do not use in a humid environment, please dry before use. It is strictly prohibited to use in uninhabited rooms.Specifications:Material: Non-woven FabricWeight: 45gSize: 80x120mm/3.14x4.72inchColor: BlackPower Supply Mode: USB ChargingInput Voltage: 5V2AAdjustable Temperature: 45C-65CGear Setting: Red (High) Blue (Medium) Green (Low)Note:Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Package Includes:1x Heating Pad KitProducts from GuanGuan's store