Waveshare 34398 USB 5V 120mm Quiet Cooling Fan, 3-Speed Adjustable, PWM Control, High Airflow, Anti-Vibration Design, Single, Double

1. Double-sided metal mesh protection, detachable metal mesh for fan blades, protecting the fan blades, safe and durable
2. Supports three-speed adjustment, high-speed cooling, medium-speed balance, low-speed quiet mode, one-click shutdown, and flexible switching
3. PWM motor, silent and stable, uniform air output, low noise without disturbance, stable and reliable
4. Suitable for routers, game consoles, set-top boxes, amplifiers, NAS, industrial control equipment, cabinets, etc
5. Shock-resistant silicone foot pads, eight foot pads absorb vibration in all directions, shock-proof, noise reduction, and resonance prevention, one-step solution

Parameters
1. Maximum power: 1W (5V, 0.2 ± 0.02 A)
2. Maximum airflow: 52 CFM
3. Supported speeds: 1000 / 1200 / 1500 RPM
4. Noise level (in decibels): 18 / 22 / 27 dB
5. Power supply interface: USB Type-A
6. Cable length: 1000 ± 10 (mm)
7. Fan body size: about 12 x 12 x 3.5 cm

Single fan packaging list
- Single fan body (with switch and USB-A cable) x 1
- Metal guard screen x 2
- Silicone foot pad cover x 1
- Screw pack x 1