USB Rechargeable Hand Warmer Warm Hands Portable Power Bank 3600 Charging Treasure

FAST HEATING: 3 second fast heating and warmth without waiting for PI carbon crystal heating technology, releasing infrared light wave radiation heat close to the wavelength of the human body, easy to penetrate the skin and be absorbed by the human body.

*HIGH BATTERY CAPACITY: Internal motherboard algorithm optimization, more intelligent management of battery charging and discharging cycles, maximizing battery capacity.

*DURABLE USE: It is both a hand warmer and a power bank. The large capacity can be used for emergency charging of mobile phones, and the USB interface can be used with any mobile phone.

*THREE LEVELS: Three levels of temperature regulation are visible, safe and without any hidden dangers. Do your thoughtful and good thing, five safety precautions, and nearly a hundred safety tests.

*PORTABLE: Lightweight and warm, easy to handle with one hand or put into a pocket without any burden.