Portable USB Hand Warmer Egg

KeepDouble-side heat: Convenient to use.Material : aluminum alloy + ABS3 Different Temperature levels :High temperature: Approx 130F, Medium 118F , Low 105FProduct working time: High temperature: 4.5 hours;  Medium  7.5 hours and 10 hours at Low.Portable and rechargeable. Equipped with 5000mah battery. Single charge can last up the whole day.Double-side heat: Convenient to use.Material : aluminum alloy + ABS3 Different Temperature levels :High temperature: Approx 130F, Medium 118F , Low 105FProduct working time: High temperature: 4.5 hours;  Medium  7.5 hours and 10 hours at Low.Input / Output: 5V / 1ANote: Please fully charge before use in the first use. Keep out of reach from Children.