ankishi Electric Heated Socks Rechargeable Battery Powered Thermal Socks

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