2020 Super Heat Socks with Rechargeable Lithium Battery

High-quality Material: This heating stocking is made of 80% cotton, 12% polyester and 8% elastic fiber material, so it is absorbent, breathable, quick-drying, and elastic.
Heating Elements: Far infrared heating elements focused on the toes to prevent the feet from getting cold, which can promote blood circulation, giving you a warm feeling in your toe area during any outdoor winter activity. Heating elemnts are inside the socks n specially designed pockets, insulated and safe.
Battery and Controller: The electric socks come with pair of 7.4V 2200MAH rechargeable lithium polymer batteries enough for heating up to 6 hours. Battery full charging time is around 3h. Integrated controller with 3 different settings for low, medium and high level heating.
Soft, Breathable, Insulated Materials: Made from 80% cotton, 12% polyester, 8% elastane. Absorbent, breathable, quick-drying, elastic thickened. Electric modules using soft padded reinforced heel & toe, and recessed heating element to help focus heat in the toe area to keep your feet warm. Comes in one regular size, easily suites shoe sizes from 6 to 11 due to high elasticity.

Button functions:

Three-speed thermostat Automatic Level Adjustment(preheating function)

1. After the thermostat is connected to the power supply (battery), the one, two and three lights flash once. Long press the button for 2 seconds to start and enter the preheat mode, the LED shows one with flash. High output with output power of 100%, heating automatically changes to mid-level after 5 minutes.

2. Mid-level, LED light displays two, output power is 70%.

3. Low-level, LED light displays three, output power is 40%.

4. Click to switch level button with three levels cycle, long press 2 seconds to shut down.

Heating time: 

High-level One light heating around 3 hours

Mid-level Two light heating for about 4.5 hours

Low-level Three light heating for about 7.5 hours

Battery size: diameter is about 1.8CM/0.71in; height is about 6.5CM/2.56in

Charging time: The battery takes about 3 hours to recharge.

Specifications:

Color：Black,Gray

Heating part: Heat on the back of the toe

Size: Free size (socks are elastic, can stretch)

Battery: 3.7V 2200MAH lithium battery

Package Includes:

Heating Socks*2

2200MAH Lithium Battery*2

USB Charging Cable*1