Key benefits Fast, targeted warmth: graphene doublesided heating reaches up to 5060 C to warm your hands quickly and evenly. Long lasting warmth: plush surface helps retain heat to keep you comfortable after unplugging. Cordless convenience: USB rechargeable for use away from outlets; includes USB cable (plug not included). One size, portable: 30 x 16 cm (11.81 x 6.29 in); weight 215 g (0.47 lb), easy to carry. Soft, skin friendly material: flannel for a warm, comfortable touch. Practical winter gift: a thoughtful present for family, friends, partners, teachers, and elders. What makes it stand out Graphene heating on both sides delivers consistent warmth with a plush surface that helps retain heat. USB charging frees you from power cords and outlets, allowing use in car, at a desk, or while traveling. Integrated cord pocket simplifies charging on the move, making the hand warmer muff easy to carry and use anywhere. Use scenarios At home or in the office: place the muff on your lap or hands while typing, reading, or relaxing to stay comfortably warm. During travel or outings: use in the car, on commutes, in the cinema, or while waiting in airports or stations to maintain warmth. In dorms, classrooms, or during outdoor activities: keep hands warm during breaks or outdoor events and study sessions. Specifications Heating: graphene doublesided heating up to 5060 C. Material: flannel. Size: 30 x 16 cm (11.81 x 6.29 in). Weight: 215 g (0.47 lb). Power: USB rechargeable; USB cable included; plug not included. Design: hand warmer muff with zip pocket for cord storage; plush surface for heat retention.