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Windmini Fan
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Why Choose WindBillion Windmini Fan?
Long-Lasting Battery
Up to 20 hours of runtime on a single charge
Whisper-Quiet Cooling
Powerful airflow with low-noise brushless motor
Lightweight & Portable
Pocket-sized, fits in any bag or pocket
Safe & Reliable
Enclosed-blade design with premium ABS materials
Pocket-Sized Cooling, Two Different Ways
Both WindBillion Windmini Fans are pocket-sized and USB-C rechargeable — the difference is what matters most to you. The SD01 is a rechargeable mini fan with an enclosed-blade, foldable design and up to 20 hours of battery life. The SD03 is a high speed handheld fan built for maximum airflow, with 5 speed settings and an LED display for precise control.
SD01 · Windmini Fan
Long battery · enclosed-blade · 176g
20 hours
max runtime
4900mAh
battery capacity
Enclosed
safe for kids & travel
90° fold
desk or handheld
SD03 · High Speed Fan
Max power · precise control · 135g
18 hours
max runtime
5 speeds
LED display
2600mAh
USB-C fast charge
High speed
max airflow
Cool Air for Every Moment
Whether you need a portable mini fan for travel, a quiet handheld fan for the bedroom, or a high-speed handheld fan for outdoor workouts — the WindBillion Windmini Fan fits your life. The SD01 delivers up to 20 hours of battery life with an enclosed-blade design safe for kids. The SD03 brings maximum airflow with 5 speed settings and an LED display. Two fans, one mission: keep you cool wherever you go.
SD01 · Portable Handheld Fan
Commute & travel
The perfect portable mini fan for travel — pull it out on the train, at the airport, or mid-road trip. 20 hours of battery, no recharge needed.
Outdoor events
Theme parks, summer festivals, outdoor weddings — slip it into your bag and pull it out when the heat hits. Lightweight and pocketable.
Quiet indoor use
Quiet enough for video calls and open offices. Fold the head to the right angle and let it run — your coworkers won’t notice.
SD03 · High Speed Handheld Fan
Outdoor adventures
Camping, hiking, RV trips, beach days — foldable and compact enough to fit in any backpack, delivering strong turbo airflow on demand.
Office & desk
Compact size sits neatly on any desk. Handheld fan with 5 speed settings and an LED display — dial in the perfect airflow without the clutter.
Beach & daily use
At just 135g, this lightweight compact design slips into a pocket or purse. USB-C fast charge keeps it ready for whatever the day brings.
Free shipping in the U.S.
（Only H6 HT04 SD01）