1. Heating Level: Comes with 3 heating levels, the heated socks can heat up to 55℃, bringing you more warmth and enjoyment in the winter.
2. Comfy for Use: Large heating area together with perfect match can fully warm up your instep and sole, better maintaining your health.
3. Large Battery: Supports USB charging, the electric socks also has 2pcs 4500mAh large capacity battery for 4-8 hours long working hour.
4. Smart Washing: Machine wash or hand wash. Remember to remove the battery and charging cable before . And use the laundry bag.
5. Ideal Present: You can give the heater socks as an excellent present to your family and friends for birthday, anniversary and so on.

Specification:
Item Type: Heated Socks
Material: Cotton
Charging Voltage: 5V
Charging Current: 1A
Battery Voltage: 3.7V
Power: 10W
Battery: 2 x polymer lithium battery, 9000mAh, included.
Weight: 355 g / 12.52 oz(approx.)

packing list:
2 xHeated Sock
2 x Battery
1 x Power Cord