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A5PRO Handheld Semiconductor Cooling Fan
I. More Than a Fan – A Portable Personal Cooling Fan
The A5PRO is a Portable Cooling Fan developed by Dongguan Zuoshanhu Electronics Technology Co., Ltd. for high-temperature weather and frequent on the go scenarios. Combining cooling and airflow functions in one unit, it differs from traditional handheld fans that only circulate air. By integrating professional semiconductor cooling technology into a Compact Handheld Fan, it delivers both instant surface cooling and sustained strong airflow, offering a cost effective solution for beating the heat in hot environments.
II. Core Parameters
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Item
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Specifications
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Special Features
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Semiconductor cooling, 9300±500 RPM turbo fan, 199-step stepless dial, fourfold safety protection, handheld with lanyard
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Switch & Adjustment
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2-step physical side switch (fan only / cooling + fan); 199-step stepless speed dial on the front
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Structure Material
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Synthetic material with metal accents
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Fan Speed
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Turbo fan, approx. 9300 ± 500 RPM, high-speed wide-coverage airflow
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Power
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5V 1A (power input)
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Cooling Chip
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15×15×4.0mm semiconductor cooling plate
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Temperature Reduction Range
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Maximum 15°C
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Safety Protections
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Fourfold protection: over-temperature, over-voltage, rotor lock, short circuit
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Design & Portability
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Lightweight handheld fan, approx. 129g, with lanyard for handheld/neck-worn use
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Product Size & Weight
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Approx. 186*60*53mm; approx. 129g
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Packaging Size & Weight
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163*62*62mm; approx. 174g
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Outer Box Size & Weight
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71.5*36*36cm; approx. 17.9kg
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Standard Configuration
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Bare machine + Charging cable + Carton + Qualification certificate + Chinese-English manual
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III. Core Advantages
1. Dual Modes (Cooling + Airflow) – Breaking the "Hotter as It Blows" Limitation of Traditional Fans
Ordinary fans only accelerate air movement without lowering ambient temperature, often making the user feel stuffy in hot weather. The A5PRO integrates a semiconductor cooling plate that rapidly cools the contact surface at startup, while the high speed 9300 RPM fan continuously blows out chilled air, delivering genuinely cool airflow. Even outdoors above 35°C, users experience an instant cooling sensation – a key advantage that traditional fans cannot achieve.
2. 199 Step Stepless Speed Adjustment – Precisely Matched to Cooling Needs
Unlike fans on the market with only 3–5 fixed speed levels, the A5PRO supports 199 step stepless adjustment. From a gentle breeze suitable for quiet environments to a powerful airflow for rapid cooling, the speed can be freely adjusted according to the scenario and personal preference. This on demand cooling capability adapts to all users and situations.
3. Lightweight Neck Worn Design – A "Portable Cooling Station" That Frees Your Hands
Weighing only 129g and equipped with a lanyard, the A5PRO can be worn around the neck for extended periods, completely freeing the user’s hands. Whether for food delivery riders working outdoors, construction workers, or tourists exploring a city, continuous cooling is available without the need to hold the device – solving the fatigue and inconvenience of traditional handheld fans.
4. Comprehensive Safety Protections + Smart Digital Display – Safe and Always Visible
Built in fourfold safety mechanisms automatically cut power in abnormal conditions, eliminating potential hazards. The on unit screen displays real time speed setting and battery level, preventing unexpected shutdowns. The device is safe and easy to use for all ages, making it a truly universal cooling solution.
IV. Application Scenarios
（1）Personal Use
Commuting & Travel: Cools quickly in stuffy environments like subways, buses, or ride sharing vehicles; quiet operation does not disturb others.
Outdoor Leisure: Ideal for beach trips, sightseeing, camping, or picnics – wear around the neck for hands free, continuous cooling.
Office & Study: Provides direct cooling on the desk when air conditioning is insufficient in offices, classrooms, or libraries, improving focus.
Sports & Fitness: After running, working out, or yoga, rapidly cools the body, dries sweat, and restores comfort.
（2）Industry & Commercial Use
Food Delivery / Courier Services: Outdoor workers can wear the fan around the neck for sustained cooling, helping prevent heatstroke and improving delivery efficiency.
Outdoor Construction / Logistics: Workers benefit from portable, on demand cooling, enhancing safety in high temperature conditions.
Retail & Hospitality: Sales staff, waiters, and others who stand for long periods can stay comfortable throughout their shifts.
Corporate & Promotional Gifting: A cost effective, practical gift option for employee benefits or event giveaways, this Handheld Cooling Fan Rechargeable model offers both convenience and performance.
V. Why Choose Us
Dongguan Zuoshanhu Electronics Technology Co., Ltd. specializes in the R&D and manufacturing of cooling and portable refrigeration products. With industry leading thermal simulation capabilities and mature semiconductor cooling technology, our cooling products can achieve a no load temperature as low as –15°C. The company operates 23 production lines with an annual capacity of 20 million units, invests over RMB 10 million in R&D each year, and launches more than 100 new products annually. Driven by our core competencies in strong technology, large scale production, cost efficiency, and high quality, we provide stable supply and professional OEM/ODM services to customers worldwide, striving to become a benchmark enterprise in the consumer electronics thermal management sector.
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