USB Rechargeable Graphene Hand Warmer Bag for Outdoor Infrared Warmth

Stay warm on your outdoor adventures with this innovative hand warmer bag. Utilizing advanced graphene technology, it provides efficient and long-lasting infrared warmth. The USB rechargeable feature allows for convenient power replenishment, ensuring your hands stay cozy without the need for disposable batteries. Designed for portability and comfort, it's the perfect companion for hiking, camping, or any cold-weather activity. Power supply mode: USB Rated voltage: 5v Rated power: 5w Heating method: Graphene Battery life: 8-12 hours Specification: Digital display model Manufacture country: China Instructions included: No