Stay warm on the go with the coldSky USB Rechargeable Hand Warmer Set. This portable, magnetic hand warmer features a digital display and heats up to 140°F, providing instant warmth for your hands during outdoor activities like camping, hunting, or winter sports. The set includes two hand warmers with a rechargeable lithium battery (4000mAh capacity), making it both eco-friendly and cost-effective. Simply charge via USB for hours of continuous warmth. The compact design allows easy portability in pockets or bags, so you can take it wherever you go. Ideal for winter adventures, this hand warmer set makes a perfect gift for anyone who enjoys outdoor activities or needs a little extra warmth on chilly days. Whether you're hiking, hunting, or just need a cozy hand warmer for the office, coldSky has you covered.

Type: Panel & mica thermic

Heating Method: Radiant

Special Features: Portable

Power Supply: USB Charging (built-in Battery)

Battery Properties: Rechargeable Battery

Rechargeable Battery: Lithium Battery

Material: Copper

Rated Power(W): 5

Battery Capacity (mAh): 4000MAh

Shape: Other

Energy Efficiency Rating: No Energy Efficiency Rating