HearthFoot™ Heated Socks Instruction Manual

Thank you for choosing Hand Hearth. This guide will help you get the most out of your HearthFoot™ Heated Socks, from setup and charging, to adjusting heat levels, caring for your product, and troubleshooting.

Table Of Contents

Welcome To Your HearthFoot™ Heated Socks

Thank you for purchasing your HearthFoot™ Heated Socks. We're committed to keeping you warm, comfortable, and confident in every environment.

Before using your new product, please take a few minutes to read this quick start guide. It contains important safety notes, setup instructions, and care tips to help you get the best experience.

Safety First

Please read these safety notes before using your Hand Hearth heated garment:

  • Always remove the battery before washing your garment.
  • Do not sleep in your heated clothing unattended.
  • Keep away from water and flammable materials.
  • Do not use if damaged or malfunctioning.
  • Only use official Hand Hearth power banks and chargers.
  • Not recommended for children, infants, or pets.

What’s In The Box

Here's everything you'll find when unboxing your HearthFoot™ Heated Socks.

  • 1 × Pair of Hand Hearth HearthFoot™ Heated Socks
  • 2 × 4000mAh Rechargeable Power Banks (one per sock)
  • 1 × Dual USB-A Charging Cable
  • 1 × Quick Start Guide (digital via QR code)

Product Overview

Your HearthFoot™ Heated Socks use ThermoSphere™ heating technology to deliver soothing warmth from your toes up through your feet and lower legs — perfect for winter walks, skiing, or staying cosy indoors.

Key Features

  • 3 adjustable heat levels: Low (35 °C / 95 °F), Medium (45 °C / 113 °F), High (55 °C / 131 °F).
  • Up to 10 hours runtime: Powered by 2 × 4,000mAh rechargeable batteries (one per sock).
  • Full-foot coverage: Heating elements run from toes to forefoot for consistent warmth.
  • One-touch power button: Easy LED indicator for heat level control.
  • Breathable, stretch-knit fabric: Balances warmth and comfort during activity or rest.
  • Reinforced heel and toe design: Built for durability and long-lasting wear.

Charging The Batteries

Your HearthFoot™ Heated Socks include two rechargeable power banks (one per sock). Please fully charge both batteries before first use.

How to Charge

  1. Connect the included USB charging cable to the battery pack.
  2. Plug the other end into a USB-A wall adapter, laptop, or power source.
  3. The LED indicators on the battery will show charging progress.
  4. Charging is complete when all LEDs remain solid.

For best performance, always fully recharge both batteries after each use. Avoid using third-party cables or adapters that do not meet safety standards.

Powering On & Heat Settings

Follow these steps to switch on your HearthFoot™ Heated Socks and adjust the temperature. The built-in LEDs show your current heat level:

  • 1 LED = Low
  • 2 LEDs = Medium
  • 3 LEDs = High

Operating Steps

  1. Connect the included 4,000mAh batteries to the cables inside each sock cuff.
  2. Press and hold the power button on each sock for 3 seconds to switch on.
  3. Tap the button once to cycle through heat levels (Low → Medium → High).
  4. Press and hold the button for 3 seconds again to power off.

Runtime: Up to 10 hours on Low, 7 hours on Medium, and 5 hours on High. Actual performance may vary with conditions.

Care & Maintenance

With proper care, your HearthFoot™ Heated Socks will deliver reliable warmth season after season.

Washing Instructions

  • Always remove the batteries before washing.
  • Hand wash only in cold water with mild detergent.
  • Do not machine wash, tumble dry, bleach, iron, or dry clean.
  • Gently squeeze out excess water — do not wring or twist.
  • Air dry flat in a cool, ventilated place away from direct sunlight or heat sources.

Storage Instructions

  • Ensure socks and batteries are completely dry before storing.
  • Store in a cool, dry place away from direct sunlight or heat sources.
  • Disconnect and store the batteries separately.
  • For seasonal storage, charge the batteries to around 50% and top up every 3 months.

Note: Failure to follow care instructions may damage the heating elements and void warranty coverage.

Troubleshooting

Having issues with your HearthFoot™ Heated Socks? Review the causes and solutions below:

1. Socks Not Heating

  • Cause: Battery not switched on | Solution: Press and hold the button on each battery for 3 seconds to activate output.
  • Cause: Battery not connected properly | Solution: Ensure the cable inside each sock cuff is securely plugged into the battery.
  • Cause: Battery empty/dead | Solution: Recharge both 5000mAh batteries fully before use.
  • Cause: Cable loose or damaged | Solution: Try another cable if available, or contact support.
  • Cause: Faulty heating element | Solution: Contact support for a replacement pair.

2. LED Indicators Not Lighting (1 LED = Low, 2 LEDs = Medium, 3 LEDs = High)

  • Cause: Button not pressed firmly | Solution: Press and hold for 3 full seconds until LEDs light up.
  • Cause: Battery flat | Solution: Recharge batteries fully before use.
  • Cause: Loose connection | Solution: Check the cuff connection and reseat the cable.
  • Cause: Faulty control button | Solution: Contact support if LEDs never light.

3. Uneven Heating Between Socks (One sock feels warmer than the other)

  • Cause: One battery has lower charge | Solution: Recharge both batteries fully and swap them between socks to test.
  • Cause: Cable inside sock not seated properly | Solution: Reconnect securely and check for damage.
  • Cause: Faulty heating panel | Solution: Contact support if issue persists.

4. Batteries Not Charging

  • Cause: Faulty charging cable | Solution: Try another USB-A charging cable or adapter.
  • Cause: Dust/debris in port | Solution: Clean ports gently with a dry cloth before charging.
  • Cause: Battery end-of-life | Solution: Contact support for replacement 5000mAh batteries.

5. Batteries Drain Too Quickly

  • Cause: High heat setting used continuously | Solution: Switch to medium/low for longer runtime.
  • Cause: Batteries not fully charged | Solution: Always recharge to 100% before outings.
  • Cause: Extreme cold drains batteries faster | Solution: Keep batteries warm in an inner pocket until use.

Warranty & Support

All Hand Hearth products are covered by our standard quality guarantee.

  • 60-Day Money-Back Guarantee on all items.
  • 60-Day Replacement Warranty for manufacturing defects.

How to Claim

To request a replacement or claim under warranty, please provide:

  1. Your order number
  2. A brief description of the issue
  3. Clear photos or videos if possible

Complete Your Heated Kit

Ready to explore more? Discover our full heated clothing collection and find the perfect gear to keep you warm this winter.

Still Need Help?

Our support team is here to help you get back to warmth quickly.
Please include your order number so we can assist you faster.
We aim to reply within 24 hours (Mon–Fri).

Complete Your Heated Kit

Ready to explore more? Discover our full heated clothing collection and find the perfect gear to keep you warm this winter.