This USB heating hand warmer pouch delivers fast and lasting warmth to keep your hands cozy in cold weather. With adjustable temperature control, it provides gentle and even heat to relieve cold stiffness and discomfort. Powered by universal USB port, it works perfectly with power banks, laptops and phone adapters, easy to use at home, office, camping and commuting. Made of ultra soft, skin-friendly and thickened fabric, it is plush, breathable and comfortable to wrap both hands inside. Lightweight, portable and wearable design allows free movement. Reusable and energy-saving, it is a must-have winter essential and a warm gift choice for adults.