Introduction
The UNIHAND AOY-768 AI Smart Chips Rechargeable Hand Warmers are designed to provide consistent and safe warmth for various outdoor and indoor activities. This 2-pack offers versatile usage, allowing for individual use or combined for enhanced warmth. Equipped with advanced AI temperature control, these portable pocket heaters ensure optimal comfort and extended battery life. Please read this manual thoroughly before using your hand warmers to ensure safe and efficient operation.
What's in the Box
- 2 x UNIHAND AOY-768 Rechargeable Hand Warmers
- 1 x USB-C Charging Cable (Y-splitter for simultaneous charging)
- 1 x User Manual
Image: Contents of the UNIHAND hand warmer package, showing two black hand warmers, a white Y-splitter USB-C charging cable, and a user manual.
Setup
1. Initial Charging
Before first use, fully charge both hand warmers. Connect the provided USB-C charging cable to a power source (e.g., USB wall adapter, computer USB port). The Y-splitter cable allows both units to be charged simultaneously. Charging typically takes 3-4 hours for a full charge.
Image: Two black UNIHAND hand warmers connected to a Y-splitter USB-C charging cable, illustrating simultaneous charging.
2. Connecting/Separating Units
The two hand warmer units can be used separately or connected together. They feature a magnetic connection for easy attachment and detachment. To connect, align the units and they will snap together. To separate, gently pull them apart.
Image: Diagram showing two UNIHAND hand warmers connecting and separating, highlighting their 2-in-1 functionality.
Operating Instructions
1. Power On/Off
- To Power On: Long press the power button (orange button) until the red indicator light(s) illuminate.
- To Power Off: Long press the power button until the indicator light(s) turn off.
2. Adjusting Heat Levels
The hand warmers feature 3 precise heat settings. Once powered on, short press the power button to cycle through the heat levels:
- 1 Red Light: Low heat (95-107.5°F), up to 20 hours of warmth.
- 2 Red Lights: Medium heat (104-118.5°F), up to 14 hours of warmth.
- 3 Red Lights: High heat (118.5-130°F), up to 8.5 hours of warmth.
Image: Diagram showing the power button and indicator lights for UNIHAND hand warmers, illustrating how to long press to turn on/off and short press to switch heat levels.
Image: Illustration of UNIHAND hand warmer indicator lights for temperature levels (1, 2, or 3 red lights) and battery remaining (1, 2, or 3 blue lights).
3. Checking Battery Life
Double press the power button to check the remaining battery life. Blue indicator lights will show the charge level:
- 1 Blue Light: Less than 35% battery.
- 2 Blue Lights: 35-70% battery.
- 3 Blue Lights: 70-100% battery.
4. Usage Tips
Hold the hand warmers in your palm or place them in your pockets for optimal warmth. The AI Smart Chips intelligently maintain your selected temperature and prevent overheating.
Image: A person holding a UNIHAND hand warmer in their palm, demonstrating its ergonomic and portable design.
Maintenance
- Keep the hand warmers clean by wiping them with a soft, dry cloth.
- Avoid exposing the devices to extreme temperatures or direct sunlight for prolonged periods.
- Store in a cool, dry place when not in use.
- Do not attempt to disassemble or repair the units yourself. Contact customer support if issues arise.
Troubleshooting
- Device not turning on: Ensure the device is fully charged. Long press the power button for 3-5 seconds.
- Not heating sufficiently: Check the heat level setting. Ensure the device is not exposed to extremely cold ambient temperatures for prolonged periods without insulation (e.g., in a pocket).
- Charging issues: Verify the USB-C cable is securely connected to both the hand warmer and the power source. Try a different USB-C cable or power adapter.
- Overheating: The AI Smart Chips include built-in safety protection against overheating. If the device feels excessively hot, turn it off immediately.
Specifications
| Feature | Detail |
|---|---|
| Brand | UNIHAND |
| Model Name | AOY-768 |
| Color | Black |
| Material | Aluminum |
| Battery Type | Lithium-Ion |
| Battery Capacity | 3000 mAh (each unit) |
| Charging Time | 3-4 Hours |
| Usage Time | 8.5 to 20 Hours (depending on heat setting) |
| Heat Settings | 3 Levels (95-130°F) |
| Dimensions (L x W x H) | 5.35 x 4.02 x 0.98 inches (package) |
| Weight | 0.21 Kilograms (package) |
| Certifications | CE, FCC |
Warranty & Support
The UNIHAND AOY-768 AI Smart Chips Rechargeable Hand Warmers come with a 2-year warranty. For warranty claims, technical support, or any questions regarding your product, please contact UNIHAND customer service through the retailer's platform or the contact information provided in the original packaging. Please retain your proof of purchase for warranty validation.