1. Product Overview
The OCOOPA UT3 Pro is a set of AI Smart Magnetic Double-Sided Heating Hand Warmers designed to provide warmth and also function as a portable power bank. This manual provides instructions for safe and efficient use of your device.
Image: Two OCOOPA UT3 Pro hand warmer units, shown magnetically connected. The front unit is Aegean Blue, and the rear unit is black.
Included Components:
- 2 x OCOOPA UT3 Pro Hand Warmers
- 2 x USB-A to USB-C Charging Cables
- 2 x Silicone Lanyards
- 1 x Velvet Pouch
- 1 x User Manual (this document)
2. Setup and Initial Use
2.1 Initial Charging
Before first use, or after prolonged periods of non-use, fully charge both hand warmer units. This ensures optimal battery performance.
- Connect the provided USB-A to USB-C charging cable to a power adapter (not included) and to the USB-C port on each hand warmer unit.
- The indicator lights will illuminate to show charging status. A full charge typically takes approximately 3.5 hours.
- Once fully charged, the indicator lights will remain solid or turn off, depending on the unit's design. Disconnect the charging cable.
Note: The device supports USB-A to USB-C input for charging. USB-C to USB-C input or fast charging protocols are not supported for device charging.
Image: Two OCOOPA UT3 Pro hand warmers connected to USB-A chargers, illustrating the charging process. Another image shows a hand warmer connected via USB-C to a smartphone, demonstrating its power bank function.
2.2 Magnetic Connection
The two UT3 Pro units are designed to magnetically connect, allowing for easy storage and portability. They can be used together or separated for individual use.
Image: Two OCOOPA UT3 Pro hand warmers being separated, illustrating their magnetic connection feature.
3. Operating Instructions
3.1 Power On/Off
To power on or off each hand warmer unit, press and hold the power button for approximately 3 seconds. The indicator lights will illuminate or extinguish accordingly.
3.2 Adjusting Heat Levels
The UT3 Pro offers four distinct heat levels. Once powered on, short press the power button to cycle through the heat settings:
- Level 1: Approximately 100-109°F (38-43°C)
- Level 2: Approximately 109-118°F (43-48°C)
- Level 3: Approximately 119-127°F (48-53°C)
- Level 4: Approximately 128-136°F (53-58°C)
The indicator lights will change to reflect the selected heat level. The device features memory recall, so it will start at the last used heat setting.
Image: A graphic illustrating the four heat settings of the OCOOPA UT3 Pro, with corresponding temperature ranges and suggested usage scenarios (Indoor, Urban, Outdoor, Extreme Cold).
3.3 Dual-Sided Heating and AI Warmth Mode
The UT3 Pro utilizes exclusive Hall Sensor + AI temperature control for true dual-sided heating, providing warmth from your palm to your fingertips. This technology ensures efficient heat distribution and optimized power usage.
Image: Two hands holding OCOOPA UT3 Pro hand warmers, with one showing 'Outer heating' and the other 'Inner heating', illustrating the dual-sided warmth.
Image: A diagram comparing the OCOOPA UT3 Pro's effective dual-sided heating with other magnetic hand warmers that may only offer single-sided heating.
3.4 Power Bank Functionality
Each UT3 Pro unit can also serve as a portable power bank to charge your mobile devices. With a total capacity of 10000mAh (two 5000mAh batteries), it can charge a typical smartphone up to 3.5 times.
- Connect your mobile device's charging cable to the USB-C output port of the hand warmer.
- The hand warmer will automatically begin charging your device.
Note: Ensure your device's charging cable is compatible with the USB-C output port. The hand warmer does not support C-to-C fast charging for external devices.
4. Maintenance
4.1 Cleaning
To clean the hand warmers, gently wipe the surface with a soft, dry cloth. Do not use abrasive cleaners, solvents, or immerse the device in water.
4.2 Storage
When storing the hand warmers for an extended period, ensure they are fully charged. Store them in a cool, dry place away from direct sunlight and extreme temperatures.
5. Troubleshooting
5.1 Device Not Heating
- Ensure the device is powered on.
- Check the battery level. If low, recharge the device.
- Cycle through the heat settings to ensure a level is selected.
5.2 Device Not Charging
- Verify that the charging cable is securely connected to both the hand warmer and the power source.
- Ensure the power adapter is functioning correctly.
- Confirm you are using a USB-A to USB-C cable and not a C-to-C cable for input charging.
5.3 Power Bank Function Not Working
- Ensure the hand warmer has sufficient battery charge.
- Verify that the cable connecting the hand warmer to your external device is functional and correctly inserted.
- Confirm your external device is compatible with USB-C charging.
If issues persist, please contact OCOOPA customer support.
6. Specifications
| Feature | Specification |
|---|---|
| Brand | OCOOPA |
| Model Name | UT3 PRO |
| Part Number | UT4102-BU_BK |
| Color | Aegean Blue |
| Material | Aluminum |
| Battery Type | Lithium-Polymer |
| Battery Capacity | 10000 mAh (2 x 5000 mAh units) |
| Charging Time | Approx. 3.5 hours (via USB-A to USB-C) |
| Heat Levels | 4 Levels |
| Temperature Range | 100°F - 136°F (38°C - 58°C) |
| Reusability | Rechargeable |
| Power Source | Battery Powered |
| Item Dimensions (LxWxH) | 2.2 x 4.13 x 0.83 inches (per unit) |
| Item Weight | 0.3 Kilograms (total for two units) |
| Model Year | 2023 |
Image: A comparison table highlighting key features of the UT3 Pro, such as double-sided heating, 10000mAh capacity, and up to 136°F temperature, against other hand warmers.
Image: A chart illustrating the approximate battery life of the OCOOPA UT3 Pro at different heat levels, ranging from 8.5 hours on Level 1 to 3.5 hours on Level 4.
7. Safety Information
The OCOOPA UT3 Pro is designed with multiple safety features to ensure reliable operation. These include:
- Over-Current Protection
- Over-Charge Protection
- Over-Circuit Protection
- Over-Heat Protection
Important Safety Precautions:
- Do not expose the device to extreme temperatures, direct sunlight, or open flames.
- Do not puncture, disassemble, or modify the device.
- Keep out of reach of children.
- Avoid dropping or subjecting the device to severe impacts.
- If the device becomes excessively hot, emits smoke, or shows signs of damage, discontinue use immediately and contact support.
Image: An OCOOPA UT3 Pro hand warmer displayed with icons representing its multi-layer protection and intelligent safeguards, including over-current, over-charge, over-circuit, and over-heat protection.
8. Warranty and Support
8.1 Warranty Information
The OCOOPA UT3 Pro Hand Warmers come with a 12-month limited warranty from the date of purchase. This warranty covers manufacturing defects and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
8.2 Customer Support
For warranty claims, technical assistance, or any questions regarding your OCOOPA UT3 Pro, please contact OCOOPA customer support through their official website or the retailer where the product was purchased. Please have your purchase receipt and product model information ready when contacting support.
