Electric Heated Socks Rechargeable Battery Powered Thermal Socks Boot Feet Warmer USB Thermal Outdoor Sports Socks Winter Warm

Specification:
Name: 3-7 Hours Button Electric Heating Socks
Heating area: toes, feet back
Size: free size (the socks are elastic and can be stretched)
Battery: 3.7V 2200mAh lithium battery
Heating temperature:
High leveled light around 50 degrees
Mid level blue light around 40 degrees
Low level green light around 30 degrees
Battery size(approx.): length 7cm/2.75in, width 3.2cm/1.26in, thickness 2.2cm/0.87in
Charging time: 4-6 hours to fully charge

 

Paking List:

1 Pair of Button Heating Socks
2*Rechargeable Lithium Batteries

1*Charging Cable