A cooling fan that fits in your hand.

A compact handheld fan with Peltier cooling pads on the head and the handle. Scroll down and the 3D model turns to show each feature.

  • Height162 mm
  • HeadØ60 mm
  • PeltierØ40 mm
Two Cooly units standing, seen from the front and the back

1Overview

Easy to carry, easy to use.

More than airflow: Peltier cooling, a light high-capacity battery, a live status display and an ergonomic grip, all in a minimal white monotone design.

Front of the head with the metal Peltier pad inside the black bezel

2Peltier pad

A Peltier cooling pad on the front of the head.

A Ø40 mm pad with a metal face sits in the center of the Ø60 mm head. A Peltier element turns cold on one side when current runs through it. Air comes in from the back and leaves through the front.

Back of the handle with the Peltier cooling grip and the USB-C port

3Cooling grip

Cool where you hold it.

A Peltier cooling grip on the back of the handle keeps your palm cool. The USB-C port sits just above it.

Round display showing level 3 and 100% battery, flush button below

4Display

A display your palm never covers.

The round display low on the front of the handle shows fan speed and battery level. One flush button, level with the surface, controls everything.

Two Cooly units floating, showing the front and the back

5Design

A handle that widens toward the base.

The round handle grows wider toward the bottom, so it stands on its own. Straight lines, large radii and a white monotone, with nothing added.

Underside of the handle with the grooved rubber pad and the strap hole

6Portable

Stand it, hang it, pack it.

A strap hole for a lanyard and an anti-slip rubber pad sit under the handle. Stand it on a desk or hang it from a bag.

Dimensions and specs.

Dimensions and parts from the front, right and back views.

Cooly three-view drawing: front, right and back, with dimensions 50, 60, 40, 162 and 36 mm

Size

Overall height
162 mm
Head diameter
Ø60 mm
Head depth
50 mm
Base width
36 mm

Cooling

Front of head
Peltier cooling pad, Ø40 mm
Back of handle
Peltier cooling grip

Display and controls

Display
Round. Shows fan speed and battery level
Button
One flush button

Power

Battery
21700 cell (planned)
Charging port
USB-C
Input and output
USB PD in and out (planned)

Form and finish

Form
Handheld and free-standing
Color
White monotone
Underside
Strap hole, anti-slip rubber pad

Specifications are based on the design development report of October 6, 2026 and may change in production.

Up close.

Front of the head: metal cooling pad inside the black bezel
01Cooling pad
Rear cage with radial spokes and the logo in the center
02Rear cage
Peltier cooling grip and USB-C port on the back of the handle
03Cooling grip and USB-C
Round display and flush button
04Display and button
Grooved rubber pad on the underside
05Rubber pad and strap hole

Let's talk.

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