Size:Green Camouflage Package Dimensions:39 x 23 x 6 cm 1. Double Side Fast Heating: This hand warmer muff can provide you with double side heating in a few seconds, and can realize fast heating just by pressing the button. 2. 3 Gears: The 3 gears heating setting is adjustable, and the working temperature is up to 65 Celsius degree. The hand warmer pouch can provide sufficient warmth to keep your hands warm in cold weather. 3. USB Interface: The heated hand muff is equipped with USB interface, which can be connected to the power bank for power supply, so it is also very convenient for you to use outdoors. 4. Waterproof: This heated hand pouch is made of waterproof quilted cottonmaterial. Do not worry about that the surface will get wet, which is safer and more practical. 5. Soft Material: The electric hand warmer muff is skin friendly and durable. The hand warmer muff has super soft plush finish, which is warm and comfortable. Spec: Item Type: Hand warmer muff Material: Waterproof quilted cotton Weight: Approx. 329g/11.6oz Product Size: 39x18cm/15.4x7.1in How to Use: 1. Connect the hand warmer muff to power bank (excluded) 2. Put the power bank into the pocket 3. Long press for 3 seconds to start up, and click to switch gears. Long press for 3 seconds to shut down PackageList: 1 xHand Warmer Muff 1 x Instructions Note: 1. Please set time reminder and turn off the power when sleeping. 2. Keep away from fire sources, corrosive liquids and harsh environments. 3. Do not be covered by other heat sources. 4. People who cannot take care of themselves, infants and people who are not sensitive to heat need to use them under the supervision of their guardians. 5. Keep away from moisture, water and liquid. Do not use the hand warmer muff when it is wet. 6. Do not rub the hand warmer muff when it isworking. 7. Do not pierce the hand warmer muff with incisive objects. 8. Do not iron at high temperature, 9. Use with caution for patients Soft Material: The electric hand warmer muff is skin friendly and durable. The hand warmer muff has super soft plush finish, which is warm and comfortable. USB Interface: The heated hand muff is equipped with USB interface, which can be connected to the power bank for power supply, so it is also very convenient for you to use outdoors. Double Side Fast Heating: This hand warmer muff can provide you with double side heating in a few seconds, and can realize fast heating just by pressing the button. Waterproof: This heated hand pouch is made of waterproof quilted cottonmaterial. Do not worry about that the surface will get wet, which is safer and more practical. 3 Gears: The 3 gears heating setting is adjustable, and the working temperature is up to 65 Celsius degree. The hand warmer pouch can provide sufficient warmth to keep your hands warm in cold weather. Soft Material: The electric hand warmer muff is skin friendly and durable. The hand warmer muff has super soft plush finish, which is warm and comfortable. USB Interface: The heated hand muff is equipped with USB interface, which can be connected to the power bank for power supply, so it is also very convenient for you to use outdoors. Double Side Fast Heating: This hand warmer muff can provide you with double side heating in a few seconds, and can realize fast heating just by pressing the button. Waterproof: This heated hand pouch is made of waterproof quilted cottonmaterial. Do not worry about that the surface will get wet, which is safer and more practical. 3 Gears: The 3 gears heating setting is adjustable, and the working temperature is up to 65 Celsius degree. The hand warmer pouch can provide sufficient warmth to keep your hands warm in cold weather.