Mini Portable USB Rainbow Hand Warmer

Features: 

• This product is lightweight and the same size as a palm. You can put this product in your pocket to warm your hands immediately
• When the product is turned on, it begins to heat up, and the temperature is adjusted to 35 degrees Celsius, 45 degrees Celsius, and 55 degrees Celsius at three levels. You can choose a suitable temperature.
• This product has a built-in smart protection chip to prevent explosion, prevent excessive temperature, and prevent leakage. Eliminate hidden dangers in all directions, and let you use them with confidence
• With a built-in 1000-2000mah battery and USB interface, the multi-functional rechargeable heating power bank can support long heating work time and more than one charge, power bank, and heater function in one body
• You can take it with you when you go out. This product makes you never afraid to go out in the cold
• The multi-functional hand warmer is widely suitable for travel, travel, home, office, and so on.

Specifications: 

• Material: PVC
• Rated power: 5W
• Rated voltage: 3.7V
• Heating temperature: 35-55
• Battery capacity: 1000-2000mAh
• Power supply: USB