USB Silent Desktop Fan

 

Professional BLDC Motor Cooling Solution for Office, Home & OEM Supply

 

This compact USB desktop fan utilizes a high-efficiency Brushless DC (BLDC) motor to deliver stable, consistent airflow with minimal noise. It is designed specifically for noise-sensitive environments like offices, bedrooms, and study areas.

As an ISO 9001:2015 certified manufacturer, we supply global distributors, e-commerce sellers, and promotional brands with scalable production, reliable quality control, and complete OEM/ODM customization.

 

 

Specification Item	Technical Parameter / Value
Input Voltage / Current	USB 5V / 1A
Rated Power	$< 4.5\text{W}$
Max Wind Speed	$3.8\text{ m/s}$
Effective Airflow Distance	Up to 2.5 meters
Speed Adjustments	3 to 5 gears (Customizable for OEM orders)
Motor Type	Brushless DC (BLDC) Motor
Operational Lifespan	$\ge 10,000$ hours of continuous operation
Motor Heat Control	Surface temperature stays below $38^\circ\text{C}$ after 48 hours of continuous run

 

 

Feature	Our Premium USB Fan	Standard Market USB Fan
Noise Level	≤ 25–30 dB	35–50 dB
Motor Type	Brushless DC (BLDC) Motor	Traditional Brushed Motor
Lifespan	10,000+ Hours	2,000–5,000 Hours
Airflow Stability	Constant current control (No fluctuation)	Prone to sudden power/speed drops
Power Efficiency	< 4.5W (Low power draw)	5.5W–7W (Higher heat generation)
Factory Compliance	ISO 9001 / BSCI Audited	Non-certified small workshops

 

To ensure compliance for EU and US retail markets, all noise levels are verified with a calibrated sound level meter under standard testing conditions:

Test Distance: 1.0 Meter from the fan
Environment: Controlled test room with ambient background noise < 20 dB

Noise Data by Gear
Low Speed: 20–22 dB (Whisper-quiet, suitable for sleeping)
Medium Speed: 23–26 dB (Ideal for office and focus environments)
High Speed: 28–30 dB (Maximum cooling with minimal distraction)

 

Friction-Reduction: The BLDC motor eliminates mechanical carbon brushes, reducing operational friction noise by 40–60% and extending product life.

Aerodynamic Blades: The 5-blade layout is angled to distribute airflow evenly, maximizing airflow volume while reducing high-pitched wind turbulence.

Vibration Dampening: Internal silicone pads absorb motor resonance, preventing rattling or movement on flat desk surfaces.

Circuit Safety: Built-in PCB protection prevents over-current, over-voltage, and motor stalling risks.

 

We offer flexible manufacturing solutions to match your brand specifications:

Branding & Colors: Custom logo placement (silk-screen, UV printing, or laser engraving) and shell colors matched to any Pantone reference

Hardware Modifications: Adjusting speed gears, PCB programming, or integrating rechargeable batteries

Packaging & Amazon FBA Logistics: Custom retail boxes, eco-friendly Kraft packaging, FNSKU barcoding, master carton labeling, and drop-test compliance

 

We enforce strict quality control across the entire production line to maintain batch consistency and secure your supply chain:

IQC (Incoming Materials): 100% inspection on motors, PCBs, and bearings before assembly

IPQC (In-Process): Continuous online testing, including blade balance calibration and electrical checks

OQC (Before Shipment): AQL 2.5 random sampling for aging tests, high-temperature resistance, and final acoustic validation

 

Defect Rate Guarantee: Strictly controlled under 0.3% for mass production

Warranty: 1:1 replacement for verified functional defects after shipment

Inspections: We fully support third-party inspection agencies (SGS, TUV, Intertek, etc.) before final payment

 

 

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