DescriptionThis is a pocket hand warmer for cold weather or winter season, made pf premium material, practical and durable, not easy to break and damage. Great gift for your friends and families, they would be love it. Lightweight and portable, easy to carry and store, USB fast charging design, can serve you well.Features-Material: Plastic.-Size: About 8.60X8.60X3.00cm/3.38X3.38X1.18inch.-Battery capacity: 2000mAH.-Input voltage: 5V.-Input current: 0.5-1A.-Charging time: 4-6 hours.-It gets hot quickly in seconds, lightweight and portable, easy to carry and store in your bag, pocket.-Adorable and creative donut shape, compact appearance, wonderful gift for your female friends.-With three level of temperature, can be adjustable at will, do not hurt or burn your hands.-You can easily take it to school, office, outdoor activities, etc., suitable for many occasions.-Made of premium and high-quality material, not easy to wear and damage.Packing list1 x hand warmer1 x charging cable