The compact and convenient Ocoopa Classic UT3 Lite Magnetic Rechargeable Hand Warmers should be your new toasty companion this winter season. Each hand warmer is equipped with a strong magnet so they can stay together for storage or transportation. Whatever your outdoor plans are, remember to bring your rechargeable hand warmers to easily fit into your pockets giving your cold fingers some instant heat. Three temperature settings release heat in five seconds to keep your hands warm and toasty.