1. Uvod
Thank you for choosing the TOPK USB Desk Fan K51. This portable mini fan is designed to provide personal cooling with strong airflow and quiet operation. It features three-speed settings, 360° rotation, and is conveniently powered via USB, making it ideal for various environments such as home, office, or on the go.

Figure 1: TOPK USB Desk Fan K51 (2-Pack)
2. Sigurnosne informacije
- Osigurajte da ventilator bude postavljen na stabilnu, ravnu površinu kako biste spriječili prevrtanje.
- Držite prste i druge predmete dalje od lopatica ventilatora tokom rada.
- Ne uranjajte ventilator u vodu niti ga izlažite prekomjernoj vlazi.
- Use only with a 5V USB power source.
- Isključite ventilator iz struje kada ga ne koristite ili prije čišćenja.
- Čuvati van domašaja djece.
3. Sadržaj paketa
- 2 x TOPK USB Desk Fan K51 (Black)
- Integrated 1.2-meter USB cable (non-removable)
4. Značajke proizvoda
- Kompaktan dizajn: Measuring 12x12x5.5 cm (4.7"x4.7"x2") and weighing 0.35 lbs, it is space-saving and portable.
- Postavke s tri brzine: Adjustable wind speeds for personalized comfort (Low: 3.9m/s, Medium: 4.9m/s, High: 5.9m/s).
- 360° rotirajuća glava: Allows for flexible direction of airflow.
- USB napajanje: Compatible with any 5V USB output device (PC, laptop, power bank, USB wall charger, car charger).
- tihi rad: Equipped with a brushless motor and curved blades for low noise levels (40-50dB at highest speed).
- stabilna baza: Features 2 anti-slip rubbers on the bottom to reduce vibration and prevent sliding.

Figure 2: Key Features of the TOPK USB Desk Fan

Figure 3: 360° Rotatable Design
5. Podešavanje
- plasman: Place the fan on a stable, flat surface where you desire airflow.
- Priključak za napajanje: Connect the integrated USB cable to a compatible 5V USB power source, such as a computer, laptop, power bank, or USB wall charger.

Figure 4: USB Power Connection
6. Uputstvo za upotrebu
- Power On/Speed Adjustment: Locate the push button on the back of the fan. Press the button repeatedly to cycle through the three-speed settings (Low, Medium, High) and to turn the fan off.
- Podešavanje smjera strujanja zraka: Manually rotate the fan head 360 degrees vertically to direct the airflow to your desired angle.
Video 1: Demonstration of TOPK USB Desk Fan features, including power and speed adjustment.
7. Održavanje
- čišćenje: Ensure the fan is unplugged before cleaning. Use a soft, dry cloth to wipe the exterior surfaces. For dust accumulation on the blades, use a duster or compressed air. Do not use liquid cleaners or abrasive materials.
- Skladištenje: Kada se ne koristi, ventilator čuvajte na hladnom i suhom mjestu, dalje od direktne sunčeve svjetlosti.
8. Otkrivanje problema
- Ventilator se ne uključuje:
- Ensure the USB cable is securely plugged into both the fan and the power source.
- Verify that the USB power source is functional. Try plugging another device into the same port or using a different USB port/adapter.
- Press the power button on the back of the fan.
- Slab protok vazduha:
- Ensure the fan is set to a higher speed setting by pressing the power button.
- Check for any obstructions around the fan blades or grilles.
- Neobična buka:
- Uvjerite se da je ventilator na stabilnoj površini.
- Provjerite ima li stranih predmeta zaglavljenih u lopaticama ventilatora.
9. Specifikacije
| Brand | TOPK |
| Naziv modela | K51 |
| Boja | Crna |
| Izvor napajanja | Pokreće se USB |
| Voltage | 5 Volts |
| Wattage | 5 vati |
| Broj nivoa snage | 3 |
| Wind Speed (Level 1) | 3.9 m/s |
| Wind Speed (Level 2) | 4.9 m/s |
| Wind Speed (Level 3) | 5.9 m/s |
| Kontrolni metod | Pritisnite dugme |
| Rotacija | 360 ° okomito |
| Nivo buke | Less than 50 Decibels (40-50dB at highest speed) |
| Dimenzije proizvoda | 12 x 12 x 5.5 cm (4.7"D x 4.7"Š x 2"V) |
| Težina artikla | 0.35 funti (160 grama) |
| Tip motora | Bez četkica |

Figure 5: Compact Dimensions of the Fan
10. Garancija i podrška
For warranty information or technical support, please refer to the product packaging or contact TOPK customer service through the retailer where the product was purchased.





