The end to cold hands the hot rox electronic hand warmer is a revolutionary way to keep your hands warm the rechargeable hot rox has 2 heat settings and reaches temperature in 15 seconds ideal for walking fishing sailing riding and wheelchair users it is slim enough to keep in your pocket until you need to warm your hands once switched on it will produce heat for up to 6 hours when your hands are warm enough simply switch it off and keep it until you need it again the internal lithium ba