1. Fast heating in 3 seconds, no need to wait for the temperature, built-in heating element, heating up faster, warm your heart with a burst of hot air in winter. 2. Two-level temperature control, two-level temperature selection, the temperature of love is just right. Small and portable, travel light, just for care, feel the warmth anytime, anywhere. 3. Delicate hand feel, tactile shell, soft touch, feel baby's skin instantly. 4. There are warm night lights to illuminate every step of the night. Intelligent aggregation chips protect the core links and escort your safety. 5. Suitable for home, bedroom, going out, etc., it is a little sun in the palm of your hand, accompanying you through the cold winter. Space shape, small and portable, long-lasting battery life, two-speed adjustment. describe: This product is a little sun in the palm of your hand, accompany you through the cold winter, space wind, small and portable, long-lasting battery life, two-speed adjustment. Specification: material: plastic Category: Space hand warmer Product size: 200x200x100mm Product power: 10W Heating temperature: 45-60C Battery capacity: 4000mAh Input/Output: 5V-2A Charging time: 4 hours charging, 5 hours using Package Included: 1pc* hand warmer 1pc* data cable notes: 1. Due to manual measurement, please allow 0-1 inch error. Thank you for your understanding. 2. Depending on the monitor calibration, the item color shown in the photo may be slightly different from the real item.