Upgraded Novelty Heated Socks with 4000mAh Rechargeable Li-po BatteryMen Women Winter Warm Electric Heat Insulated Sox Socks KitSports Outdoor Climbing Hiking Hunting Stockings Foot Warmers4_5-12H

Specifications:  ? Color: Black/ Grey/ Pink/ Brown/ Red/ Navy/ Green white/ Green yellow ? Sock’s Material: Cotton&spandex ? Sock’s Size: Free size,fits for women and men ? Heating Area: Front instep br> 3 Levels Heat Setting:  (1) High Setting: Red light, heating 4.5-5 hours; (2) Medium Setting: Orange light, heating 7.5-8.5 hours; (3) Low Setting: Green light, heating 11.5-12 hours. ? Heating Temperature: Adjustable,depends on heating level. ? Heating Hours: Depends on heating level ? Package includes:   1 pair of heated socks 1 pair of li-ion batteries 1 AC charger 1 elegant present box 1*using manual ? Washing Issues: Hand wash and soft wash. How it Works:  Simple steps to enjoy suitable warmth: After connect to the batteries with wires which located in the sock's pocket. Step 1: Press the ON/SETUP/OFF, then it is Red light (100% heat). Step 2: Press the ON/SETUP/OFF again, then it is Orange light (75% heat). Step 3: Press the ON/SETUP/OFF again, then it is Green light (50% heat). Step 4: Press the ON/SETUP/OFF again, then the light close and it will not heat. We recommend you set the temperature setting at High (Red) at first 5-10 minutes. And then change to set it at Setting- Medium (Orange)/ Setting Low(Green) and you will feel fine. Warm tips:  Tips 1: Need to charge all 2 batteries fully about 12 hours for the first time use cause the li-ion battery may not come full or may be out of power due to long term transportation.In every subsequent use it takes 4-5 hours for full charged. Tips 2: Please charge 2 batteries at the same time. Tips 3: The charger light will turn red to green after the battery are fully charged.