Hand Warmer Intelligent Digital Display Three-speed Temperature Control Magnetic Hand Warmer Charging Treasure Features: 3-in-1 hand warmer: The small hand warmer has four functions and a wide range of applications. It can be to warm your hands on a cold winter day, it can be a mobile power source to charge your phone and other devices, and it can be a massage to caused by fatigue. Quick single-side heating: Long press for 3 seconds to wake up the hand warming function without waiting a long time. In addition, it also has a single-sided heating mode with a heating power of 5-10w, which will have more heat to warm you on cool days. Mobile power: A single product built-in up to 2000mah large-capacity battery, small size and light weight, can be used as a mobile charging power, so that you can easily charge your mobile phone when camping, climbing, climbing, picnicking. Smart LED digital display: The LED display clearly displays the current temperature and the remaining power at different temperatures, without manually displaying the current temperature and remaining power. Temperature : there are three kinds of temperature for you to control and adjust, the first is 40 degrees Celsius low temperature, the second is 50 degrees Celsius constant temperature, the third is 60 degrees Celsius high temperature. You can adjust the different temperatures between them as needed. Magnetic absorption type split design, double insulation. Convenient storage, does not take up space. Product Description: Product name: Hand warmer Battery capacity: 2x2000mah Heating temperature: 40~60 Material: ABS, aluminum alloy Size:3.26*1.69*0.59in Weight:0.48lb Includes: 2x hand warmer 1x data cable 1x synopsis