MIPOW X miffy Rechargeable Electronic Portable Hand Warmer, Egg Shape Style in Petit Size Design comes with window soft light. Its Petit size can put in the bag. miffy Hand-Warmer Egg designed with 2 levels of temperatures 107°F-118°F/118-131°F at your choice. Comes with Sonic Vibration feature, which you can use vibration with heat for eye relaxing. Heat Therapy Great for Outdoor Sports, Hunting, Golf, Camping, Warm Gifts for Women & Men.