Features: Detachable cloth cover: Designed as an independent and detachable cloth cover, it supports disassembly and washing when dirty. Foldable Hand Warmer: Small and exquisite, foldable, easy to travel, suitable for shopping and office, very convenient for your daily use. Soft and Comfortable: The hot water bag is incredibly soft, ensuring maximum comfort. Its gentle texture is a pleasure to hold, making it the perfect way to combats the cold. Versatile applications: the reusable hand warmer is suitable for camping, skiing, hiking or any outdoor recreations in the cold season. The hands warmer keeps your hands warm in the cold winter. Relief of your cold hands, heat therapy to relieve swollen, dry and cracked hand pain and reduce chronic hand pain. Great for anyone of any age with cold hands or-arthritis: This is the perfect present for your wife or husband, mother, grandmother, girlfriend, sister in the cold winter. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: Folded: 30*19*6cm, unfolded: 30*38*3cm Heating power: 9w Three-speed temperature: 45/55/60°C Charging port: type-C in and out Battery capacity: 5000 mAh Heating method: graphene heating Battery life: 1st speed: about 5 hours, 2nd speed: about 3 hours, 3-rd speed: about 2 hours Package List: 1X Portable Graphene Heated Hand Warmers