1. Introduction
Thank you for choosing the OCOOPA Magnetic Rechargeable Hand Warmers UT4 Young. These ultra-compact, card-style electric hand warmers are designed to provide efficient and long-lasting warmth, ensuring comfort during various activities in cold weather. Featuring a magnetic 2-in-1 design, 3 adjustable heat settings, and IP34 water resistance, these UL-certified devices are built for convenience and safety.
2. Product Overview
The OCOOPA UT4 Young hand warmers offer portable warmth with advanced features:
- Efficient & Long-Lasting Heat: Enjoy instant warmth in just 2 seconds. Each warmer provides up to 8 hours of reliable heat with 3 adjustable settings (100-125°F).
- Ultra-Compact, Card-Style Design: At just 0.6 inches thick and 65 grams each, these warmers fit easily into gloves, pockets, or purses.
- Magnetic Pair for Double Warmth: The two warmers magnetically attach for easy storage and carrying, or can be separated to provide warmth for each hand.
- Durable & Water-Resistant: IP34 water-resistant rating ensures protection against splashes and light rain.
- Certified Safety: UL certified (UL File Number: E535516) for peace of mind.

Image: Two OCOOPA UT4 Young hand warmers, one with a floral pattern and one plain black, connected magnetically, showcasing their compact design.

Image: Two hands demonstrating the magnetic attachment feature of the OCOOPA hand warmers, showing them snapping together.

Image: A hand holding an OCOOPA hand warmer, with an orange glow indicating the heating area and text stating '8hrs X2' for long-lasting warmth.

Image: A person holding an OCOOPA hand warmer in the rain, demonstrating its IP34 weather resistance for use in humid conditions.
3. What's in the Box
Your OCOOPA Magnetic Rechargeable Hand Warmers package includes:
- 2 x OCOOPA UT4 Young Hand Warmers
- 1 x Flannel Carry Pouch
- 1 x Dual Type-C Charging Cable
- 1 x User Manual
- 2 x Wrist Straps

Image: The complete contents of the OCOOPA hand warmer package, including the two warmers, flannel pouch, dual Type-C charging cable, user manual, and wrist straps.
4. Setup
4.1 Charging the Hand Warmers
- Locate the dual Type-C charging cable provided in the box.
- Connect both hand warmers to the dual Type-C cable.
- Plug the USB-A end of the cable into a compatible power source (e.g., wall adapter, computer USB port).
- The indicator lights on the warmers will illuminate to show charging status. A full charge takes approximately 3 hours.

Image: Two OCOOPA hand warmers being charged simultaneously using the included dual Type-C charging cable.
4.2 Attaching Wrist Straps
- Identify the small loop holes on the side of each hand warmer.
- Thread the thin loop end of the wrist strap through the hole.
- Pass the larger end of the wrist strap through the loop you just created and pull gently to secure it.
- Repeat for the second hand warmer.
5. Operating Instructions
5.1 Power On/Off
- To power on, press and hold the power button located on the back of the warmer for a few seconds until the indicator lights illuminate.
- To power off, press and hold the power button again until the indicator lights turn off.
5.2 Adjusting Heat Levels
- Once powered on, single-press the power button to cycle through the 3 available heat settings:
- Low: 100-108°F (indicated by one red light) - lasts approximately 8-16 hours.
- Medium: 109-117°F (indicated by two red lights) - lasts approximately 6-12 hours.
- High: 118-125°F (indicated by three red lights) - lasts approximately 4-8 hours.
5.3 Checking Battery Level
- Double-press the power button to check the current battery level. Blue indicator lights will show:
- One blue light: 30% battery
- Two blue lights: 70% battery
- Three blue lights: 100% battery
5.4 Magnetic Functionality
- The two hand warmers are designed with magnetic sides, allowing them to snap together for convenient storage or to be used as a single, larger warming unit.
6. Maintenance
6.1 Cleaning
- Wipe the surface of the hand warmers with a soft, dry cloth.
- Do not use abrasive cleaners or immerse the device in water.
6.2 Storage
- When not in use, store the hand warmers in the provided flannel pouch to protect them from scratches and dust.
- Keep them away from strong magnetic objects, such as credit cards, to prevent demagnetization.
- Store in a cool, dry place.
7. Troubleshooting
7.1 Device Not Heating
- Ensure the device is powered on by pressing and holding the power button.
- Check the battery level by double-pressing the power button. Recharge if the battery is low.
- Verify that a heat setting (one, two, or three red lights) is selected.
7.2 Device Not Charging
- Ensure the charging cable is securely connected to both the hand warmers and the power source.
- Try using a different USB power adapter or USB port.
- Inspect the charging cable for any visible damage.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | UT3056-FSHD_BK |
| Dimensions (each) | 2.99 x 1.89 x 0.61 inches |
| Weight (each) | 65 Grams |
| Material | Aluminum |
| Battery Capacity | 2500 mAh x 2 = 5000 mAh |
| Charging Time | 3 Hours |
| Input | Type-C 5V/1A |
| Temperature Range | 100-125°F (3 heat settings) |
| Water Resistance | IP34 |
| Certifications | UL Certified (UL File Number: E535516) |
9. Warranty & Support
9.1 Warranty Information
- 30-Day Return Window: Return any product within 30 days, no questions asked.
- Hassle-Free Warranty: Enjoy a 1 or 2-year warranty on all OCOOPA products, ensuring peace of mind for any quality-related issues.
- Warranty Period: Starts from the date of purchase.
9.2 Products Not Covered Under Warranty
- Items without sufficient proof of purchase.
- Items beyond their warranty period.
- Items repaired by unauthorized third parties.
- Damage resulting from misuse, including but not limited to falls, water exposure, or improper operation.
- Products purchased from unauthorized resellers.
9.3 Customer Support
For additional details about your guarantee or if you have any questions, please contact our support team at support@ocoopa.com.
10. Official Product Video
Video: An official OCOOPA video showcasing the Rechargeable Hand Warmers, highlighting their ultra-compact and stylish design, magnetic features, and portability.





