Perfect Winter Gift: Hotdot portable hand warmers, with their stylish exterior design, comfortable grip, and exquisite packaging full of festive atmosphere, make an unforgettable choice as birthday gifts for men, Valentine’s Day gifts for him, or small gifts for men and women on important occasions such as New Year and Christmas. At the same time, they are also an essential piece of outdoor equipment during the cold winter, bringing warmth and comfort to every trip.

Unique Thermochromic Cards: Our hand warmers is not only a warm companion in winter, but also a messenger to convey our feelings. Write your blessings on the attached thermochromic card. When the recipient heats up with the handwarmers, your blessings will magically appear, adding a special warmth and surprise to this festival.

Long-lasting Battery Life & Quick Heating: The electric hand warmer comes with a 6400mAh high-capacity battery, capable of heating up in just 1 second and providing continuous warmth for up to 20 hours. It ensures your hands stay warm all day long.

LED Display & 3 Temperature Levels: This battery operated heater offers three temperature settings, ranging from 104°F to 122°F, to meet your personalized warming needs. The LED display shows the battery level in real-time, allowing you to always know the status of the device and easily handle any low battery issues. It's a satisfying tech gadgets.

Smart AI Temperature Control: Hot hands hand warmers equipped with a smart chip, can precisely control the temperature to prevent overheating, ensuring stable and safe warmth. Whether you're in a cold outdoor environment or need extra warmth indoors, it provides just the right amount of warmth for your hands. It an ideal accessories for winter work, walking dogs, camping, hunting, playing golf, or any other outdoor activity.