【Perfect Winter Gift】: This reusable hand warmer is both cute and delicate. Built-in rechargeable battery, environmentally friendly, heat resistant，double-sided rapid heating. External organic silicone coating, internal aluminum alloy structure, strong shock resistance and smooth hand feeling. The lanyard design makes it no easy to lose. It is the perfect replacement for disposable hand warmers.

【Multi-function】: It is a 2-in-1 hand-held electric hand warmer and mobile power. Elliptical light luxury style with lanyard, easy to carry, not easy to lose. When you are outdoors, fishing, hiking, camping, skiing, traveling or exercising, you can easily carry any pocket or school bag or hang it on your wrist. It is a good companion in cold winter.

【Simple Operation】: This hand warmer can be controlled with one button and is easy to operate.Short press this switch to start the hand warmer and turn on the low temperature function (the indicator light is white). Click the switch again to switch to the high temperature function (the indicator light is red). Click the switch for the third time to close the hand warmer. Two constant temperatures: 113 °F / 131 °F. When the device is turned on, it will heat up quickly within 5 seconds.

【Rechargeable Battery】: This rechargeable hand warmer with a USB charging port features a 10,000 mAh large capacity rechargeable lithium battery for long life. It can also be used as a mobile power source to charge your electronic device at any time. It can be powered through a Type C USB cable and takes about 6 hours to fully charge. When charging, the display flashes "CH" to indicate charging. When it is full, the word "CH" is always on to indicate that it is full.

【Customer Service】: If you have any questions, please feel free to contact our customer service email: [email protected], we are willing to answer your question.