Specification:
| Product name: | ACEFAST YF4 handheld fan. |
| Number of blades: | 13 blades. |
| Motor speed: | 77000rpm (max). |
| Airflow level: | 199 levels adjustment. |
| Airflow speed: | Minimal level - 3.9m/s, maximum level - 17.5m/s (test distance 100mm). |
| Fan output power: | Minimal level - 3.2W, maximum level - 46W. |
| Battery: | 4000mAh / 7.4V, lithium‑ion. |
| Input: | 5V/2A, USB-C. |
| Charging time: | 3 hours 30 minutes. |
| Usage time: | 38 minutes (max. speed), 10 hours (min. speed). |
| Indication: | LED display, battery life, recharge alert, airflow speed. |
| Material: | ABS + PC + electronic components. |
| Sizes: | 147 × 80 × 39mm. |
| Weight: | 264g. |
| Certification: | FCC, CE, EAC, RoHS, UKCA. |
Descriptions:
Acefast yf4 turbo fan 199 speed portable air blower 4000mAh delivers precise, high-velocity airflow for deep cleaning and personal cooling. With a 77,000 RPM motor, a 199-speed control system, and a smart LED display, it’s designed to help you adjust from gentle airflow to strong dust-blowing power—any time, anywhere.
Key Features:
- Ultra high-speed motor up to 77,000 RPM for powerful dust cleaning
- 199-level speed control for precise airflow adjustment
- LED digital display shows battery life, speed level, and charging status
- 4000mAh lithium-ion battery for up to 10 hours on low speed
- Airflow speed range from 3.9 m/s to 17.5 m/s
- Multi-nozzle system with three interchangeable nozzles
- USB-C 5V/2A charging; approximately 3.5 hours to full
- Portable and lightweight design at 264g
- Durable ABS + PC materials
- Noise level ≤75 dB for comfortable use
