Item Type: Hand Warmer_x000D_ Product Material: ABS_x000D_ Temperature Range: 3 Gears, 40 50 60_x000D_ Battery Specification: 1200mAh Lithium Ion Battery (built in battery) 1QUICK HEATING: This electric hand warmer supports fast and constant temperature heating, continuously keeping warm for 4?8 hours, compact and practical. 23 GEARS TEMPERATURE: This hand warmer has 3 gears temperature, 40 is suitable for indoor use, 50 is suitable for daily warmth, 60 is suitable for outdoor warmth. 3PORTABLE DESIGN: This electric hand heater is portable design that conforms to the curve of the palm, with a soft and delicate touch that can be used with confidence. 4POWER SUPPLY: This portable hand warmer has built in lithium battery with a large capacity of 1200mAh to ensure long endurance, with a USB cable for charging. 5SPACEMAN SHAPE: This electric hand warmer has spaceman appearance, cute and fashionable, can attract people attention well, which is suitable for kids and students.Do not use this product when charging, and place it in a heat dissipating place when charging.1 x Hand Warmer 1 x Charging Cable