This rechargeable hand warmer can be heated in a few seconds. There are 2 adjustable heating gears, which can release heat instantly: 45℃, and 60℃.
It can keep your hands warm, and relieve menstrual cramps, and frostbite. It can also relieve the discomfort associated with diseases. This is the warmest Christmas gift for family and friends.
The large capacity keeps your hands warm for 3-6 hours and charges the phone 2-4 times.
The rechargeable hand warmer is made of high-tech lithium battery, aluminum, and silicone. The built-in intelligent protection system has protection functions such as power-on, short-circuit, and overload to ensure product safety.
It is also equipped with anti-vibration, anti-scalding, non-slip, and explosion-proof properties, suitable for long time use.