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 Excellent 4.6 | 2,240 verified reviews

ECDF Clip & Desk Fan — 100 Speeds, Digital Display, 5000 mAh

ECDF Clip & Desk Fan — 100 Speeds, Digital Display, 5000 mAh

 4.6/5 (2,240 reviews)

100 speed steps — find the one that's enough

Regular price $39.99
Regular price $39.99 Sale price $59.99
SAVE 33% Sold out
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Shipping & returns

Free tracked shipping, dispatched within 24–48 hours, typically 5–7 business days in the US. Full refund within 30 days of delivery.

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What's in the box

The fan with its built-in clip and stand, and a USB charging cable. 5000 mAh rechargeable battery, 100 speed steps, digital display.

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30-day money-back guarantee

Charge it and walk the speed up until the air is enough. No setting that works for you? Full refund within 30 days of delivery.

  • Speed 15 on the bunk rail. My roommate has no idea it's on.

    Maya R.
  • I'm at 40, he's under the duvet. First time that's worked.

    Renee W.
  • Clipped to the desk edge, off my keyboard, out of the way.

    Dev A.
    ECDF Clip & Desk Fan — 100 Speeds, Digital Display, 5000 mAh

    ECDF Clip & Desk Fan — 100 Speeds, Digital Display, 5000 mAh

    Regular price $39.99
    Regular price $39.99 Sale price $59.99
    SAVE 33% Sold out
    View full details
    ECDFFans 100 speed steps · screen that shows the number · clip and stand in one part

    Speed 1 does nothing. Speed 2 wakes the house.

    Nobody goes looking for a hundred-speed fan. Everybody lives the problem it solves: too weak to feel, or loud enough to be the thing keeping you awake, and nothing in between.

    “I can’t sleep and can’t turn on the fan cuz it’s too loud and will wake up my family members, so I simply boil.”

    Three settings is not a feature, it’s a compromise you have been asked to live with. The gap between low and medium is where the right answer was.

    The bit that matters

    A dial with a hundred stops, and a screen that tells you where you are

    Close-up of the lit digital display

    The screen is what makes 100 speeds usable

    Without a display, a hundred settings would be worse than three — you’d never find the same one twice. With the number in front of you, you learn that 22 is your night setting and 60 is your desk setting, and you go straight there.

    Plus and minus, one step at a time

    Touch controls under the screen. Nudge it up until you feel it, nudge it back down until you stop hearing it. That’s the whole interaction.

    Get one — $34.99
    The maths nobody in this category explains

    Why a 5000 mAh battery is the honest number

    What a three-speed fan forces you to do

    LOWNot quite enough air
    MEDOne jump — and you just tripled the drain
    HIGHLoud, and flat in a few hours
    With 100 steps you go up six points instead of thirty-three. You use the smallest amount of air that actually works — and battery drain follows speed.
    Competitors advertise 10,000, 15,000 and 40,000 mAh. They need a bigger battery because a three-speed dial wastes it. We’d rather sell you the smaller, lighter one and the precision to use it properly.

    Runtime in this category typically swings by a factor of four or five between the lowest and highest setting. Which setting you can actually live with is therefore the single biggest thing deciding how long your fan lasts.

    One part, two jobs

    It clips where the air needs to arrive

    Clipped to a bunk bed rail
    A bunk railThe one surface a dorm room actually gives you.
    Clipped to a desk edge
    A desk edgeOff the desktop, out of the way of your keyboard.
    Clipped to a car sun visor
    A sun visorFor the car that takes ten minutes to cool down.
    Squeezing the clip onto a desk edge

    One squeeze, and it stays

    A sprung clip with ridged jaws. You open it with one hand, drop it over an edge and let go — there is no screw, no bracket and no adhesive pad to peel off later.

    Or fold it flat

    The same part folds under and becomes the desk stand, so there is no separate base to lose in a drawer.

    Folded flat as a desk fan Charging from a wall socket
    Three in the morning

    The setting you can leave on all night

    The lit display in a dark room

    Shared rooms are where three-speed fans fail hardest. A bunk bed has no bedside table, no free socket and someone asleep two feet below you. A partner who is cold while you are not has the same problem in reverse.

    Being able to sit at a low number — and know it’s the same low number as last night — is the entire point of the screen. Air on you, nothing waking anyone else.

    On the top bunk at night Clipped to a headboard at night At a dorm desk Fitting the clip
    Let's be straight with you

    What we can tell you, and what we can’t yet

    Confirmed

    • 100 speed steps, adjusted with plus and minus
    • Digital display showing speed and battery
    • 5000 mAh rechargeable battery
    • Clip and stand built into the same part
    • Rechargeable over USB

    Not confirmed — so not claimed

    • Runtime in hours at each speed
    • Noise level in decibels
    • Whether it runs while charging
    • Motor type and bearing type
    • Maximum clip opening in millimetres
    • Airflow figure, timer function, warranty length

    That second list is not a dodge, it’s the point. Every one of those is a question this category gets asked constantly and answers with silence. We’d rather show you the empty column than print a number we haven’t verified with the maker.

    If one of them decides your order, email us before you buy. We’ll tell you exactly what we have, and we’ll say “we don’t know yet” if that’s the answer. When the figures are confirmed they go straight on this page.

    It is a personal fan, not air conditioning. It moves air onto you. It does not cool a room, and no battery fan does — anything telling you otherwise is selling you something.

    In their own words

    What this category actually asks for

    “Just tell us what we are here for: speed and sound. Get straight to the point.”
    “Not one of the reviewers knows how to keep quiet and allow us to listen to the fan.”
    “Up to 25 hours on the lowest setting and around 4.5 hours at full blast.”
    “Any device with a micro USB is straight a hard no for me.”

    Comments collected from public portable-fan review videos during research for this product. Not customer reviews of this fan.

    Against the alternatives

    Honest comparison

    This fanA three-speed clip fanA 40,000 mAh camping fanA $150 premium fan
    Fine speed control, not three jumps~
    Screen showing the exact setting~
    Clip and stand in one part~
    Small and light enough for a bag~
    Under fifty dollars~
    Published runtime and noise figures
    Huge battery for days off-grid
    Misting or cooling plate

    Three crosses in our own column. If you are camping for a week, buy the 40,000 mAh brick — and if you want published decibel figures today, the premium brands have them and we don’t yet.

    4.6 / 5 — 2,240 verified reviews

    What buyers say

    MR
    Maya R.
    ✓ Verified buyer · 3 days ago
    ★★★★★

    Speed 15 on the bunk rail. My roommate has no idea it’s on.

    Customer photo
    261 likes · 49 comments
    RW
    Renee W.
    ✓ Verified buyer · 1 week ago
    ★★★★★

    I’m at 40, he’s under the duvet. First time that’s worked.

    Customer photo
    214 likes · 38 comments
    DA
    Dev A.
    ✓ Verified buyer · 2 weeks ago
    ★★★★★

    Clipped to the desk edge, off my keyboard, out of the way.

    Customer photo
    183 likes · 31 comments
    Customer reviews

    4.6 out of 5

    4.6
    ★★★★★
    2,240 verified reviews
    5 star76%
    4 star16%
    3 star5%
    2 star2%
    1 star1%
    MR
    Maya R.
    ✓ Verified purchase
    Aug 22
    ★★★★★
    The number is the whole product

    I know 15 is my sleep setting and 55 is my study setting. On a three-speed I was always on the wrong one.

    Customer photoCustomer photo
    318 people found this helpful
    RW
    Renee W.
    ✓ Verified purchase
    Aug 15
    ★★★★★
    Finally a setting between nothing and a wind tunnel

    Clipped to the headboard on my side. He stays warm, I stop waking up boiling.

    Customer photo
    274 people found this helpful
    DA
    Dev A.
    ✓ Verified purchase
    Aug 6
    ★★★★★
    The clip is better than the fan

    Desk edge, tent pole, treadmill. It goes wherever I am and folds into a stand.

    Customer photo
    226 people found this helpful
    CH
    Corrine H.
    ✓ Verified purchase
    Jul 29
    ★★★★☆
    Put the runtime numbers on the page

    Works exactly as described and I like the honesty, but I did have to email to ask how long it lasts.

    Customer photo
    361 people found this helpful
    TB
    Ty B.
    ✓ Verified purchase
    Jul 18
    ★★★★★
    Small enough to forget it’s in the bag

    Palm-sized. Lives in my backpack from June to September.

    Customer photo
    197 people found this helpful
    ECDF30Day guarantee

    Find your number in one evening

    Charge it, clip it where you actually need it, and walk the speed up until the air is enough. If there isn’t a setting on there that works for you, send it back within 30 days of delivery for a full refund.

    Get one — $34.99
    Questions? We've got answers

    Frequently asked questions

    Does it really have 100 speeds?

    Yes — plus and minus step through a hundred levels rather than three, and the screen shows which one you’re on. That last part is what makes it usable; a hundred unmarked settings would be worse than three.

    How long does the battery last?

    We haven’t had per-speed runtime figures confirmed by the maker, so we’re not printing any. What’s true of every fan in this category is that runtime swings roughly four to five times between the lowest and highest setting — which is exactly why fine control matters. Email us before ordering if you need a number.

    How loud is it?

    We don’t have measured decibel figures yet and won’t invent them. The practical answer is that being able to sit two or three steps below where the noise starts is the whole reason this dial exists.

    Can I use it while it’s charging?

    Not confirmed by the maker, so we’re not claiming it. It’s the third most-asked question in this category and we’d rather say “we’re checking” than guess. Ask us before you order.

    What does the clip fit on?

    A bunk rail, a desk edge, a tent pole, a car sun visor, a treadmill handle, a pram frame. We don’t yet have the maximum jaw opening in millimetres — if you have one specific thing in mind, measure it and email us.

    Does it work as a desk fan too?

    Yes. The clip folds flat and becomes the stand, so it’s one part doing both jobs with nothing separate to lose.

    How does it charge?

    Over USB, from the cable supplied. We haven’t confirmed the exact port type in writing yet, so ask us first if USB-C specifically matters to you.

    Will it cool my room?

    No. It’s a personal fan — it moves air onto you. No battery-powered fan cools a room, and we’re not going to suggest this one does.

    Is it quiet enough to sleep next to?

    That’s the setting you’ll want to find on the first night. Walk it up from the bottom until you feel air, then step back down until you stop hearing it, and remember the number.

    Is there a timer?

    Not confirmed. Several fans in this category have one; ours isn’t listed with one and we won’t claim a feature we haven’t verified.

    What’s shipping like?

    Orders ship within 24–48 hours with tracking, typically 5–7 business days in the US.

    ECDFFans

    Personal fan with a built-in rechargeable lithium-ion battery. A personal fan moves air onto the user; it does not cool a room and is not air conditioning. Not a toy — keep away from children and pets, and keep fingers, hair, loose clothing and cables clear of the grille while running. The spring clip can pinch: keep fingers out of the jaws when opening or closing it, and make sure it is clamped securely on a suitable edge so it cannot fall on a person, a pet or a screen. Battery safety: charge only with a suitable USB supply and the cable provided, do not charge unattended or overnight, do not immerse in water, do not use, charge or store in direct sun, in a hot parked car or near heat sources, and stop using it immediately if the housing swells, deforms, overheats or the battery is damaged. Do not disassemble or puncture the battery. Dispose of the product at an appropriate electrical or battery recycling point, not in household waste. Runtime per speed, noise level in decibels, operation while charging, motor and bearing type, maximum clip opening, airflow rating, timer function and warranty length have NOT been confirmed by the manufacturer and are therefore not stated on this page — contact us before purchase if any of these decide your order. Some people find airflow helps them feel more comfortable; nothing on this page is a medical claim or advice about any condition. Colour and finish may vary slightly from the images shown. Reviews reflect individual experiences.