feature: 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. Key words: Heaters, hand warmers, electric heaters Household energy-saving silent appliances