Features： 1、QUICK HEATING: This electric hand warmer supports fast and constant temperature heating, continuously keeping warm for 4?8 hours, compact and practical. 2、3 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. 3、PORTABLE 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. 4、POWER 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. 5、SPACEMAN SHAPE: This electric hand warmer has spaceman appearance, cute and fashionable, can attract people attention well, which is suitable for kids and students. Specification： Item Type: Hand Warmer Product Material: ABS Temperature Range: 3 Gears, 40℃ 50℃ 60℃ Battery Specification: 1200mAh Lithium Ion Battery (built in battery) Package List： 1 x Hand Warmer 1 x Charging Cable