This electronic hand warmer heats up in 3-5 seconds. Its adorable rugby-style design provides 360°C heat. Its heat is 5-6 times faster than regular hand warmers, thanks to its responsive material. It features three adjustable temperature settings (113°F, 122°F, and 131°F) and USB charging in 3-4 hours. It heats up in 1 second for instant warmth. Three battery indicators let you clearly check the battery level. Innovative 2-in-1 design with a total capacity of 5000mAh. It can be used individually or magnetically combined for a variety of warming options. You can warm both hands simultaneously or share them with a loved one. The magnetic connection ensures a secure connection and is easy to carry and store. Two symmetrical hand warmers combine to create a single, pocket-sized warmer, providing 360° warmth for your hands. You can use one individually, one for each person, or share with your family. An ideal winter gift for friends and family. Perfect for Christmas, birthdays, anniversaries, Thanksgiving, and Valentine's Day. Ideal for outdoor enthusiasts; suitable for activities like fishing, golfing, hunting, camping, and skiing. Frequency settings: 113°F, 122°F, 131°F. Press and hold for 2 seconds to power on; short press to adjust the temperature. Dimensions: 10*6*3cm Colors: Brown, Black, Green Material: ABS + Aluminum Alloy