1. Introduction
Thank you for choosing the OCOOPA UT4 Rechargeable Hand Warmer. This device is designed to provide portable and reliable warmth, combining elegant design with practical functionality. Please read this manual thoroughly before use to ensure safe and optimal performance.
The UT4 hand warmer features a unique diamond-inspired design, offering both aesthetic appeal and a smooth, durable finish. It is compact, fitting easily into pockets or bags, and provides instant heat with three adjustable temperature settings. The device is also IP34-rated for dust and splash resistance, ensuring durability in various conditions.
Each package includes two hand warmers that can be used individually or magnetically combined for double-sided warmth, making it a versatile accessory for cold weather.
2. Package Contents
Please verify that all items are present in your package:
- OCOOPA UT4 Hand Warmer (2000mAh x 2 units)
- Premium Gift Box x 1
- User Manual x 1
- Lanyard x 1
- Warranty Card x 1
- Charging Cable x 1
Image: The OCOOPA UT4 Hand Warmer package, showing two hand warmers, a charging cable, lanyard, and documentation within a gift box.
3. Setup
3.1 Initial Charging
- Before first use, fully charge both hand warmer units.
- Connect the provided charging cable to the charging port on each hand warmer.
- Plug the other end of the cable into a USB power adapter (not included) or a computer USB port.
- The indicator lights will show charging status. Once fully charged, the lights will change or turn off (refer to Operating Instructions for specific light indications).
3.2 Attaching the Lanyard
Thread the lanyard through the designated loop on each hand warmer unit to secure it for easy carrying and to prevent accidental drops.
3.3 Combining/Separating Units
The two hand warmer units feature magnetic technology, allowing them to snap together to form a single double-sided warmer or be easily separated for individual use or sharing.
Image: Two OCOOPA UT4 hand warmers shown together, illustrating their magnetic connection capability.
4. Operating Instructions
4.1 Power On/Off
- To power on: Press and hold the power button for 3-5 seconds. The hand warmer will begin to heat up rapidly.
- To power off: Press and hold the power button for 3-5 seconds.
4.2 Adjusting Temperature Settings
The OCOOPA UT4 offers three heat settings. Once powered on, short press the power button to cycle through the temperature levels:
- Level 1: Lowest heat setting.
- Level 2: Medium heat setting.
- Level 3: Highest heat setting (up to approximately 160°F / 71°C).
The indicator lights will typically show the current heat level. Refer to the specific light pattern on your device for detailed indication.
Image: A close-up view of the OCOOPA UT4 hand warmer, highlighting the power button and LED indicator lights for heat settings.
4.3 Charging the Hand Warmer
When the battery is low, the indicator lights will signal this (e.g., flashing red). Connect the hand warmer to a power source using the provided charging cable as described in Section 3.1. A full charge provides up to 5 hours of warmth, depending on the heat setting used.
Image: A person holding one OCOOPA UT4 hand warmer in their palm, demonstrating its ergonomic design and portability.
Image: An OCOOPA UT4 hand warmer resting on a white woven handbag, illustrating its compact and portable nature for easy carrying.
5. Maintenance
5.1 Cleaning
To clean the hand warmer, wipe it with a soft, dry cloth. Do not use abrasive cleaners, solvents, or immerse the device in water. The device has an IP34 rating, meaning it is protected from solid objects larger than 1mm and from splashing water from any direction. However, it is not waterproof and should not be submerged.
Image: Two OCOOPA UT4 hand warmers shown with water droplets, indicating their splash-resistant design.
5.2 Storage
When not in use for extended periods, store the hand warmer in a cool, dry place. It is recommended to charge the device at least once every three months to maintain battery health.
5.3 Battery Care
To prolong battery life, avoid fully discharging the device frequently. Charge it when the low battery indicator appears.
6. Troubleshooting
- Device not heating: Ensure the device is powered on by pressing and holding the power button. Check if the battery is charged. If the issue persists, try charging the device.
- Device not charging: Verify that the charging cable is securely connected to both the hand warmer and the power source. Try using a different USB port or power adapter. Ensure the charging cable is not damaged.
- Short battery life: Battery life can vary based on the selected heat setting and ambient temperature. Higher heat settings consume more power. Ensure the device is fully charged before use. Over time, all rechargeable batteries experience some degradation.
- Indicator lights not working: If the device is functioning but lights are not, contact customer support. If the device is not functioning, refer to the above troubleshooting steps.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | UT3041 |
| Product Dimensions | 8.5 x 5.5 x 4.5 cm |
| Weight | 130 g (per unit) |
| Color | Green |
| Material | Aluminum |
| Battery Capacity | 2000mAh x 2 |
| Heat-up Time | 3-5 seconds |
| Maximum Temperature | 160°F (approx. 71°C) |
| Run Time | Up to 5 hours (depending on heat setting) |
| Water/Dust Resistance | IP34 |
| Safety Certification | UL (E535516) |
| Manufacturer | Shenzhen Street Cat Technology Co., Ltd |
8. Warranty and Support
Your OCOOPA UT4 Rechargeable Hand Warmer comes with a warranty. Please refer to the included Warranty Card for details regarding coverage and duration. For technical support, troubleshooting assistance, or any questions not covered in this manual, please contact OCOOPA customer service through the contact information provided on your warranty card or the official OCOOPA website.
Image: A person offering an OCOOPA UT4 hand warmer to another person, symbolizing its suitability as a gift.
