Handheld fans

What handheld fans are

A hand fan is a broad, flat surface waved back and forth to make a breeze. The electric handheld fan does the same job with a motor and a battery.

• Two hand-powered forms: Rigid fans are a single flat panel; folding fans carry their leaf on slats that pivot closed.
• Electric versions: Most are small rotating fans with blades, usually battery-operated; a few are hand-cranked.
• Built for one person: Dyson calls its HushJet Mini Cool personal and portable: held in the hand, worn at the neck or set on a desk.
• More than a fan: Some add a power bank, a flashlight, a water mister or a metal plate that cools the skin.
• Not an air conditioner: A fan cools people, not the air: the room stays as warm as it was.
• Who makes them: JisuLife, founded in 2016, designs portable fans; Dyson and Blueair launched their first handheld fans in 2026, after Shark’s ChillPill.

How they work

Moving air cools you by speeding the evaporation of sweat and carrying heat away from the skin. The effect is a wind chill, not a lower air temperature.

• Small, fast motors: Dyson’s brushless DC motor reaches 65,000 rpm; TechRadar puts the Shark ChillPill’s at 25,000 rpm.
• Blades or none: Most use small plastic blades; the Dyson HushJet has no exposed blades and pushes air through a nozzle lined with honeycomb mesh to cut turbulence and noise.
• Turbo designs: Jet-style fans put a fast motor in a short tube; JisuLife rates its Ultra2 at 43,000 RPM and 17 m/s.
• A rechargeable battery: A lithium-ion battery runs the motor and charges over USB-C; the Shark ChillPill charges at 5 volts.
• Speed against runtime: Higher speeds drain the battery fast: Shark quotes up to 11 hours on low and 1.5 hours at maximum.
• Speed control: Some use a dial with 100 steps, like Blueair’s AlwaysCool; Dyson’s offers 5 speeds plus Boost.
• Mist and contact cooling: Shark’s ChillPill adds a dry-touch mist and a plate that, Shark says, lowers skin temperature by up to 16 °F.

Types

• Folding hand fans: Paper or silk on pivoting sticks; nothing to charge.
• Folding electric fans: The fan head folds against the handle for a pocket and props up as a desk fan; JisuLife’s Handheld Fan 8 is one.
• Turbo fans: A fast motor in a short tube sends a narrow, strong jet; examples include JisuLife’s Pro1 S and Ultra2.
• Bladeless fans: No exposed blades: Dyson’s HushJet Mini Cool sends its air through a nozzle.
• Misting and cooling-plate fans: Shark’s ChillPill swaps between a fan head, a mister and a chilled metal plate.
• Phone-port fans: Tiny fans that plug into a phone’s USB-C port; Tom’s Guide found them convenient but weak.
• Neck fans: A related kind, worn around the neck for hands-free cooling; bladeless ones do not catch hair.

What to look for

• Airflow, not head size: Hong Kong’s Consumer Council found airflow varies widely among fans with similar heads: over 1.5 times among light models.
• Wind speed figures: Makers quote top speed in m/s or mph, often at the outlet; Dyson measures its 55 mph Boost at 10 cm.
• Battery in watt-hours: Stored energy is volts × mAh ÷ 1,000; in the Council’s test, a 2,200 mAh battery at 7.4 V held more than a 3,600 mAh one at 3.7 V.
• Runtime at your speed: Headline hours are for the lowest setting; at top speed, only 2 of the Council’s 16 handheld fans ran over 3 hours.
• Noise: At top speed and 20 cm, the quieter fans measured about 49–71 dB and the loudest up to 98 dB.
• Weight: The Council’s light handheld fans weighed 93–189 g and its heavy ones 204–277 g; Dyson’s HushJet weighs 212 g.
• Hands-free options: A stand, a tilting head, a wrist strap or a neck lanyard frees your hands on a tray table or in a line.

On the plane and on the trip

• Carry-on is simplest: The FAA recommends carrying all lithium-ion batteries in the cabin, where flight crews are trained to handle a battery fire.
• Checked only if off: A device may go in a checked bag only when powered off and protected from short circuit and accidental activation; JisuLife’s Ultra2 has a safety lock against accidental starts.
• The 100 Wh limit: Lithium-ion batteries are limited to 100 Wh each; makers usually list mAh, so multiply by volts and divide by 1,000.
• Power banks: TSA requires power banks to travel in carry-on bags; some fans, such as JisuLife’s Handheld Fan 8 and Ultra2, double as one.
• Misting fans and liquids: TSA limits carry-on liquids to 3.4 oz (100 ml) per container; Shark says the ChillPill’s reservoir refills wherever you are.
• Mind the neighbors: A TODAY tester drew disgruntled looks on the subway with the loud Ultra2; T3 used the quieter Blueair while working on a train.
• In the hotel room: Many stand on a desk or nightstand: Dyson’s on its charging stand, Shark’s by twisting, Blueair’s by lying flat.

Limits and care

• Not a heat cure: Ready.gov advises: “Do not rely on a fan as your primary cooling device.” In extreme heat, go somewhere cool, like a library or a mall.
• Loud at full power: JisuLife rates its Ultra2 at 65–102 dB; TechRadar found the Dyson louder than the Shark ChillPill.
• Keep the intakes clear: TechRadar found the Dyson’s air-intake holes easy to cover with your hand; the Ultra2’s honeycomb inlet is designed not to catch hair.
• Charging safely: One fan in the Council’s test reached 56.6 °C while charging; it advises reputable chargers, charging within sight and never overnight while asleep.
• Battery care: Keep the battery moderately charged, avoid frequent full charges and deep drains, and top it up every few months in storage.
• Children and straps: Children should use fans under adult supervision; neck straps can pose a strangulation risk.
• Damp and damage: Avoid damp places; stop using a fan that deforms, overheats or smells odd, and never fly with a damaged battery.

A short history

Hand fans go back about 4,000 years, to Egypt; Tutankhamun’s tomb held two. The folding fan was invented in Japan, sometime between the 6th and 9th centuries.

• 988: The Japanese monk Chōnen presents folding fans to the Chinese emperor.
• 1882–1886: Schuyler Wheeler builds a fan powered by electricity.
• 2009: Dyson’s Air Multiplier brings fans with no exposed blades to consumers.
• 2016: JisuLife, a maker of portable fans, is founded.
• July 2025: Hong Kong’s Consumer Council publishes lab tests of 18 rechargeable portable fans.
• March 2026: Shark launches the ChillPill: a fan, a mister and a cooling plate in one.
• April 2026: Dyson releases its first handheld fan, the HushJet Mini Cool; Blueair’s first, the AlwaysCool, follows in June.