1. Introduction
The Ontel Handy Heater Hand Warmers Ultra provide portable and rechargeable warmth for various outdoor and indoor activities. Designed for convenience and efficiency, these cordless hand warmers offer multiple heat settings and a long-lasting battery life. This manual provides essential information for the safe and effective operation of your new device.

Image 1.1: Handy Heater Hand Warmers Ultra product packaging, showing two black oval-shaped warmers with copper accents.
2. Safety Information
- Read all instructions before use.
- Do not expose to extreme temperatures or direct sunlight.
- Keep away from water and moisture.
- Do not puncture, disassemble, or modify the device.
- Use only the provided charging cable.
- Keep out of reach of children.
- If the device becomes excessively hot, discontinue use immediately.
3. Package Contents
Verify that all items are present in the package:
- 2 Ultra Slim Hand Warmers
- 1 USB Charging Cable
- 2 Lanyards
- 1 Draw String Pouch

Image 3.1: Two black oval-shaped Handy Heater Hand Warmers Ultra units with copper-colored edges.
4. Setup
4.1 Initial Charging
Before first use, fully charge both hand warmers. Connect the provided USB charging cable to a power source and then to the charging ports on each hand warmer. The indicator lights will show charging status. A full charge typically takes approximately 3 hours.

Image 4.1: A pair of Handy Heater Hand Warmers Ultra connected to a dual USB charging cable, indicating they are being charged.
5. Operating Instructions
5.1 Power On/Off and Heat Settings
To power on the hand warmer, press and hold the power button for a few seconds. The indicator lights will illuminate, and the device will begin to heat. Press the power button repeatedly to cycle through the 3 available heat settings (low, medium, high). To power off, press and hold the power button again until the lights turn off.

Image 5.1: A Handy Heater Hand Warmer Ultra held in a hand, emitting warmth, with a snowy outdoor background.
5.2 Magnetic Feature
The Handy Heater Hand Warmers Ultra feature a magnetic backing, allowing two units to be paired together. This provides a larger heating surface and increased warmth. Simply bring the two units together, and they will magnetically connect.
5.3 Portability
These hand warmers are designed to be lightweight and compact, fitting easily into pockets, gloves, or bags. Use the included lanyards for convenient carrying.

Image 5.2: A Handy Heater Hand Warmer Ultra being placed into a jeans pocket, demonstrating its compact size.
5.4 Usage Scenarios
Ideal for various activities in cold weather, including:
- Sporting events
- Walking the dog
- Camping and hiking
- Hunting
- Commuting




Images 5.3-5.6: Various outdoor activities where Handy Heater Hand Warmers Ultra can provide warmth.
5.5 Official Product Video
Video 5.7: An official product video from Ontel Products Corp demonstrating the Handy Heater Hand Warmers Ultra. This video highlights key features and benefits of the product.
6. Maintenance
- Clean the exterior with a soft, dry cloth.
- Do not use abrasive cleaners or solvents.
- Store in a cool, dry place when not in use.
- Ensure the device is fully charged before long-term storage to maintain battery health.
7. Troubleshooting
- Device not turning on: Ensure the hand warmer is fully charged.
- Not heating sufficiently: Check the selected heat setting. Ensure the device is not exposed to extreme cold that might overwhelm its heating capacity.
- Short battery life: Ensure the device is fully charged before use. Battery performance may decrease over time with repeated use.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Ontel |
| Model Number | HHPKTW-MC12/4 |
| Special Feature | Adjustable Temperature, Fast Heating |
| Form Factor | Ultra-Compact |
| Indoor/Outdoor Usage | Outdoor |
| Product Dimensions | 5"D x 3"W x 5"H |
| Item Weight | 6.56 ounces (each) |
| Fuel Type | Electric |
| Number of Speeds | 3 |
| Voltage | 5 Volts (DC) |
| Min Temperature Setting | 55 Degrees Celsius |
| Max Temperature Setting | 131 Degrees Fahrenheit |
| Batteries | 2 Lithium Ion batteries required (included) |
9. Warranty and Support
For warranty information or product support, please contact Ontel customer service. Refer to the product packaging or the official Ontel website for contact details.