Features: Quick Heating:Built-in heating element faster heating. It only takes 3 seconds to heat so you do not need to wait in cold days. Adjustable Temperature: Two different temperature for you to adjust and you can choose 45 or 60 to meet your different needs. Small and Portable: The hand warmer is lightweight and easy to carry convenient to use at home in the office and outside. Skin Touch Shell: The skin touch shell of hand warms feels fine and smooth making hands more comfortable. Lovely spaceman and bear look beautiful colors. LED Light: The hand heater equipped with LED light so it can be used at night. USB charging heating safe and convenient. Specifications: Size: 9*9*5cm Net Weight: 90g Rated Power: 5W Rated Voltage: 5V-1A Endurance Time: 1-3 hours Power Supply: USB charging Pakage Included: 1*Hand Warmer 1*USB Cable 1*Manual Notes: Please note that due to the influence of light and screen slight chromatic aberration is acceptable. Please allow 1-3cm error due to manual measurement. includes: 1*Hand Warmer 1*USB Cable 1*Manual "