1. Produk Lebihview
The OCOOPA UT3057 is a compact, rechargeable hand warmer designed to provide instant warmth. It features dual-sided heating, multiple temperature settings, and a portable design, making it suitable for various outdoor activities and daily use.

Image 1.1: OCOOPA UT3057 Hand Warmer (Blue)
This image displays the OCOOPA UT3057 hand warmer in blue, showcasing its sleek design and compact size. The front and back views are visible, highlighting the smooth surface and the LED indicators.
Ciri-ciri Utama:
- Dual-Sided Instant Heat: Provides warmth on both sides, heating up in approximately 3 seconds.
- UL Certified Safety: Equipped with UL-certified batteries and an ultra-resistant ABS casing for enhanced safety, including overheat and overcharge protection.
- Kehangatan Tahan Lama: Offers up to 8 hours of heat on a single charge (duration varies by heat setting).
- Reka Bentuk Mudah Alih: Lightweight (67g) and slim (1.5 cm thick), easily fitting into pockets, gloves, or bags.
- Tahap Haba Boleh Laras: Three temperature settings ranging from 37°C to 52°C (98.6°F to 125.6°F).
- Penunjuk LED: Clear LED display for battery level and current heat setting.
- Bentuk Ergonomik: Oval and slim design for comfortable handling.
2. Kandungan Pakej
Sila sahkan bahawa semua item yang disenaraikan di bawah disertakan dalam pakej anda:

Imej 2.1: Kandungan Pakej
This image shows the contents of the OCOOPA UT3057 package, including two hand warmers, a charging cable, and the user manual, all neatly arranged within the product box.
- 2 x OCOOPA UT5 DuoHeat Hand Warmers (2500 mAh each)
- 1 x USB Charging Cable (Y-cable for simultaneous charging)
- 1 x Manual Pengguna
3. Persediaan
3.1 Pengecasan Awal
- Before first use, fully charge both hand warmers.
- Connect the provided USB charging cable to a power source (e.g., USB wall adapter, computer USB port).
- Connect the two smaller ends of the Y-cable to the charging ports on each hand warmer.
- The LED indicators will show the charging status. A full charge may take up to 8 hours.
- Once fully charged, all LED lights will be solid. Disconnect the hand warmers from the charging cable.
4. Arahan Operasi
4.1 Hidupkan/Mati Kuasa
- To power on, press and hold the power button for approximately 3 seconds until the LED indicators light up.
- To power off, press and hold the power button for approximately 3 seconds until the LED indicators turn off.
4.2 Melaraskan Tahap Haba
The hand warmer offers three heat levels:
- With the device powered on, short press the power button to cycle through the heat settings.
- Each short press will change the heat level, indicated by the red LED lights.
- Aras 1 (Rendah): One red LED light (approx. 37°C / 98.6°F)
- Tahap 2 (Sederhana): Two red LED lights (approx. 47°C / 116.6°F)
- Aras 3 (Tinggi): Three red LED lights (approx. 52°C / 125.6°F)
4.3 Single-Sided vs. Dual-Sided Heating
The UT3057 features a slide switch to activate or deactivate dual-sided heating.
- Pemanasan Dua Sisi: Slide the switch to the position that activates both heating surfaces. This provides maximum warmth.
- Single-Sided Heating: Slide the switch to the position that activates only one heating surface. This conserves battery life and is suitable when less intense warmth is desired.

Image 4.1: Dual-Sided Heat Activation
This image illustrates the dual-sided heating capability of the OCOOPA UT3057 hand warmer, showing how both surfaces provide warmth simultaneously. It also indicates the quick 3-second heating time.
4.4 Battery and Heat Level Indicator
The LED lights on the device indicate both the battery level and the selected heat setting.
- Battery Level (Blue LEDs):
- Three blue LEDs: 70-100% charge
- Two blue LEDs: 30-70% charge
- One blue LED: Below 30% charge (recharge soon)
- Flashing blue LED: Critically low battery
- Heat Level (Red LEDs):
- One red LED: Low heat
- Two red LEDs: Medium heat
- Three red LEDs: High heat

Image 4.2: LED Indicators
This image demonstrates the LED indicators on the OCOOPA UT3057 hand warmer, showing how blue lights represent battery level and red lights indicate the active heat setting, providing clear visual feedback to the user.
5. Maklumat Keselamatan
Your OCOOPA UT3057 hand warmer is designed with safety in mind. Please adhere to the following guidelines for safe operation:
- Do not expose the device to extreme temperatures (above 60°C / 140°F or below -10°C / 14°F).
- Elakkan daripada menjatuhkan atau meletakkan peranti kepada kesan yang kuat.
- Do not disassemble, puncture, or modify the device.
- Keep away from water and moisture. Do not immerse in liquid.
- Gunakan hanya kabel pengecasan yang disediakan atau setara yang diperakui.
- Jangan biarkan peranti tanpa pengawasan semasa mengecas.
- If the device becomes excessively hot, emits smoke, or shows any signs of damage, discontinue use immediately.
- Jauhkan daripada kanak-kanak dan haiwan peliharaan.
- The device is equipped with UL-certified batteries and features overheat and overcharge protection for safe operation.

Image 5.1: UL Certified Safety
This image highlights the UL certification of the OCOOPA UT3057 hand warmer, emphasizing its safety features such as precise temperature control, stability, and overall safety compliance.
6. Penyelenggaraan
6.1 Pembersihan
- Ensure the device is powered off and disconnected from any power source before cleaning.
- Lap bahagian luar dengan kain lembut, kering atau sedikit keringamp kain.
- Jangan gunakan bahan kimia yang keras, pembersih yang kasar atau rendam peranti di dalam air.
6.2 Penyimpanan
- Store the hand warmer in a cool, dry place away from direct sunlight and extreme temperatures.
- For long-term storage, charge the device to approximately 50-70% every three months to maintain battery health.
7. Penyelesaian masalah
- Peranti tidak dihidupkan:
- Pastikan peranti dicas sepenuhnya.
- Tekan dan tahan butang kuasa selama 3 saat untuk menghidupkan.
- Device not heating:
- Check if the device is powered on and a heat level is selected (red LEDs should be lit).
- Ensure the dual-sided heating switch is in the desired position.
- If the battery is critically low, the heating function may be disabled. Recharge the device.
- Peranti tidak dicas:
- Verify the charging cable is securely connected to both the hand warmer and the power source.
- Cuba port USB atau penyesuai kuasa yang berbeza.
- Pastikan kabel pengecasan tidak rosak.
- Device gets too hot:
- Reduce the heat level by short pressing the power button.
- If discomfort persists, power off the device. The device has built-in overheat protection.
8. Spesifikasi
| Nombor Model | UT3057 |
| Jenama | OCOOPA |
| Kapasiti Bateri | 2500 mAh (per hand warmer) |
| bahan | Aluminum, Plastic (ABS) |
| Dimensi (L x W x H) | 4.85 x 1.56 x 8.7 cm (1.91 x 0.61 x 3.43 inci) |
| Berat badan | 67 gram (2.36 oz) |
| Tahap Haba | 3 tahap (37°C, 47°C, 52°C) |
| Masa Mengecas | Up to 8 hours (for full charge) |
| Input/Output | 5V == 1A |
| Pensijilan | UL Certified Batteries |
9. Waranti dan Sokongan
9.1 Maklumat Waranti
OCOOPA products are manufactured to high-quality standards. For specific warranty details, please refer to the warranty card included in your product packaging or visit the official OCOOPA webtapak. Simpan resit pembelian anda sebagai bukti pembelian untuk sebarang tuntutan waranti.
9.2 Sokongan Pelanggan
If you encounter any issues or have questions regarding your OCOOPA UT3057 hand warmer, please contact OCOOPA customer support. Contact information can typically be found on the product packaging, the official OCOOPA webtapak, atau melalui peruncit anda.





