Package included:
1 pair of socks

2 pcs batteries

1 pc battery charger

1 pc instruction book

Specification:
Product name:Savior 2020 New High Quality Outdoor Sports Cotton Socks Rechargeable Battery Heated Socks for Women Men

Weight: 80g
Material: 55% Coolmax，25% Elastic，20% Spandex
Color: Black +Red 
Size:S/ M / L/XL/

Battery:7.4V 2200mAh rechargeable lithium battery

Charger:8.4V 1.5A, US, EU, AU, UK plugs on option
Feature: Thermal & Non-slip

Suitable for: Motorcycling & Skiing & Hiking & Fishing & Hunting & Cycling Outdoor activities

Features:

【Soft and Breathable】Heating socks with super comfortable, thick and well padded. Absorbent, breathable, quick-drying, elastic-thicken, use ultra-thin electric heating module.Soft Padded reinforced heel & toe accurate stitching and recessed heating element help focus heat on the toe to keep your feet warm from cold weather.

【Warm Cozy and Healthy】Heated socks upgraded to use fiber heating elements all around both fore foot and instep, the infrared can stimulate your foot blood circulation.Great for people with Arthritis , Bad Circulation, Stiff Joints and Chronically cold feet.

【Quality Imported Material】This winter socks have long life work time with 7.4V UL/CE certified 2200MAH Li-ion rechargeable battery.Imported heating elements and quality material.It can keep you warm all day (especially for chronically cold feet), Dual cable charging system for the batteries to charge at the same time, the ease of removing batteries.

【Easy to Control the Temperature】3 levels setting heat controller to adjust your favorite temperature,controller LED red is for high temperature,white for medium temperature,blue for low temperature.