Fast Heating Rechargeable Hand Warmer: This electric hand warmer heats up in 3 seconds with efficient graphene carbon fiber heating system. It has 3 adjustable temperature to meet your needs( 131F-113F-98.6F / 55C-45C-37C ) Easy to use it will definitely keep your hands warm in the cold night. Great for the winter time. NOTE: The hand warmer do not include battery charger, you need a battery charger to operate it Pain Relief Resuable Hand Warmer: the heat of the hand warmer would give a nice therapeutic assist to your back, neck, shoulders and relieving menstrual cramps, etc. Portable & Lightweight: 6 layer down fabric to lock temperature. Only 0.3 pound. Lighweight to take away with the bag chain strap. Can be a fasion shoulder bag to match with your daily looking. Perfect Gift Idea: Great gift for senior and elder women. Great camping hand warmer. Easy to Clean:The fabric can be wiped clean with wet cloth. When cleaning, you must ensure that the mobile power has been taken out,after cleaning you must wait until the product is completely dry before use.PLS DO NOT use the product in a wet state.