HearthCozy™ Heated Scarf Instruction Manual
Thank you for choosing Hand Hearth. This guide will help you get the most out of your HearthCozy™ Heated Scarf, from setup and charging, to adjusting heat levels, caring for your product, and troubleshooting.
Table Of Contents
Welcome To Your HearthCozy™ Heated Scarf
Thank you for purchasing your HearthCozy™ Heated Scarf. 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 HearthCozy™ Heated Scarf.
- 1 × Hand Hearth HearthCozy™ Heated Scarf
- 1 × Quick Start Guide (digital via QR code)
NOTE: If you ordered one of our Hand Hearth Power Banks, it will arrive after your heated clothing. Please do not panic if you've received your heated garment without a power bank.
Product Overview
Your HearthCozy™ Heated Scarf delivers instant, targeted warmth to the back of your neck using ThermoSphere™ heating technology — easing stiffness and keeping you comfortable in cold weather.
Key Features
- 1 optimised heating zone: Positioned at the back of the neck for direct relief and comfort.
- Single-touch power button: Simple on/off control for hassle-free heating.
- Soft, plush fabric: Lightweight and cosy, ideal for daily wear.
- Portable warmth: Perfect for commuting, outdoor activities, or relaxing at home.
- USB-powered design: Compatible with most standard power banks (not included).
- Discreet battery pocket: Keeps your chosen power bank secure and out of sight.
Charging The Batteries
Your HearthCozy™ Heated Scarf is powered by a USB power bank (sold separately). You may use an official Hand Hearth Power Bank or a compatible third-party model.
If You Purchased a Hearthcell Power Bank
- Connect the included USB-C charging cable to the power bank.
- Plug the other end into a wall adapter, laptop, or USB port.
- The LED indicators will show charging progress.
- Charging is complete when all LEDs remain solid.
Note: Hearthcell Power Banks are shipped separately and may arrive after your heated scarf. Please do not panic if your scarf arrives first.
If You're Using Your Own Power Bank
- Output: Must be 5V/2.4A minimum.
- Capacity: 5,000mAh or higher recommended for several hours of use.
- Connection: USB-A port (compatible with the scarf's built-in cable).
- Performance may vary depending on brand and capacity. For safety, only use CE/FCC-certified power banks.
For best performance and safety, we recommend official Hand Hearth Power Banks.
Powering On & Heat Settings
Follow these steps to switch on your HearthCozy™ Heated Scarf. The scarf uses a single optimised heat profile for steady, reliable warmth.
- Connect your charged power bank to the built-in USB cable inside the battery pocket.
- Press and hold the power button on the scarf for 3 seconds to switch on.
- The LED will glow white while heating is active.
- Press and hold the button again for 3 seconds to power off.
Runtime will vary depending on power bank capacity and outdoor conditions.
Care & Maintenance
With proper care, your HearthCozy™ Heated Scarf will deliver reliable comfort and warmth season after season.
Washing Instructions
- Always remove the power bank and disconnect all cables before cleaning.
- Do not machine wash. Gently hand wash or spot clean only.
- Use cold water and a mild detergent designed for delicate fabrics.
- After washing, gently press out excess water — do not wring or twist the scarf.
- Lay flat to air dry, away from direct heat or sunlight.
- Do not tumble dry, iron, or dry clean.
Storage Instructions
- Ensure the scarf and battery are completely dry before storing.
- Store in a cool, dry place away from direct sunlight or moisture.
- Disconnect and store the power bank separately when not in use.
- For seasonal storage, charge the power bank to ~50% and top up every 3 months.
Note: Failure to follow care instructions may damage the faux fur material or heating system and void warranty coverage.
Troubleshooting
Having issues with your HearthCozy™ Heated Scarf? Review the causes and solutions below:
1. Scarf Not Heating
- Cause: Scarf not switched on | Solution: Press and hold the power button for 3 seconds until the LED lights.
- Cause: Power bank not activated | Solution: Press the button on the power bank to enable output.
- Cause: Loose connection | Solution: Ensure the USB cable is firmly connected between scarf and power bank.
- Cause: Battery empty | Solution: Recharge the power bank fully before use.
- Cause: Faulty heating element | Solution: Contact Hand Hearth support for replacement.
2. Power Button Not Lighting
- Cause: Button not held long enough | Solution: Press and hold for 3 seconds until LED lights.
- Cause: Flat battery | Solution: Recharge the power bank fully.
- Cause: Loose cable | Solution: Reconnect the USB cable securely.
- Cause: Faulty button | Solution: Contact support if LED never lights.
3. Weak or Uneven Heat
- Cause: Power bank running low | Solution: Recharge or replace with a fully charged bank.
- Cause: Scarf not wrapped correctly | Solution: Ensure heating zone rests against the back of the neck.
- Cause: Very cold environment | Solution: Use high setting and keep power bank in an inner pocket.
4. Battery Not Charging
- Cause: Faulty charging cable | Solution: Try another USB cable or adapter.
- Cause: Dust or debris in port | Solution: Clean the charging port gently before use.
- Cause: Battery at end of life | Solution: Replace with a new Hand Hearth power bank.
5. Battery Drains Too Quickly
- Cause: High heat level used continuously | Solution: Switch to low/medium for longer runtime.
- Cause: Battery not fully charged | Solution: Fully recharge before use.
- Cause: Cold weather reduces battery efficiency | Solution: Keep battery in an inner pocket to maintain performance.
6. Flashing Lights / Unusual Behaviour
- Cause: Safety cut-off triggered | Solution: Disconnect battery, let cool for 15 minutes, then reconnect.
- Cause: Fault detected | Solution: Contact Hand Hearth support if issue persists.
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:
- Your order number
- A brief description of the issue
- Clear photos or videos if possible