White and black Therasage TheraO3 modules on a white background.

White and black Therasage TheraO3 modules standing on a reflective counter.

White Therasage TheraO3 module showing its ION and O3 buttons and circular grille.

Black Therasage TheraO3 module showing its front grille, mode buttons and indicators.

Therasage TheraO3 Ozone Module Ozone & Ion Generator

$164.00

A portable, rechargeable ozone and negative-ion generator with a single-button mode switch. It measures 3 x 5 x 2 in, weighs 10 oz and pairs with Therasage infrared saunas.

Modes
Ozone and negative ion
Battery
Up to 8 hours per charge
Size
3 x 5 x 2 in, 10 oz
Charging
DC 5V over USB

Color

White Black

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30 day returns

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1-year limited warranty

The TheraO3 Ozone Module is a portable ozone and negative-ion generator. A rechargeable 18650 lithium battery runs it for up to 8 hours of continuous use, and the body measures 3 x 5 x 2 in and weighs 10 oz.

One button switches between ozone mode and negative-ion mode. The ion mode runs without ozone output. The module is designed to pair with Therasage infrared saunas and can also be run in an unoccupied room or vehicle.

Dimensions: 3 in W x 5 in H x 2 in D
Weight: 10 oz
Battery: 18650 lithium, rechargeable
Maximum continuous use: 8 hours per charge
Standby time: 12.5 hours
Power source: DC 5V (USB charging)
Modes: Ozone, Negative Ion
Pairs with: Therasage Infrared Saunas

TheraO3 Ozone Module
USB charging cable
Travel pouch
User manual

Inside a sauna: place the unit and run ozone mode through your normal sauna session.
In a car or hotel room: run the unit for 15 to 30 minutes in an unoccupied space, ventilate briefly, then re-enter.
Ion mode: runs without ozone output.
Charge after each long session.

Ozone mode and negative-ion mode in one device
Rechargeable 18650 lithium battery, up to 8 hours per charge
3 x 5 x 2 in and 10 oz, with a travel pouch
Pairs with Therasage infrared saunas

1-Year Limited Warranty

For shipping timelines and delivery details, review our Shipping Policy.

If you have any questions before or after your purchase, call us at +1 (800) 686-5898.

30 Day Hassle-Free Returns

Most eligible products may be returned within 30 days of delivery in original condition and packaging. Depending on the product and manufacturer, return shipping, processing or restocking fees may apply. See our Refund Policy for full details.

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Why the TheraO3 Ozone Module Ozone and Ion Generator

A pocket-size rechargeable module with two modes and a USB-charged 18650 battery.

Ozone mode and negative-ion mode in one device

Rechargeable 18650 lithium battery, up to 8 hours per charge

3 x 5 x 2 in and 10 oz, with a travel pouch

Pairs with Therasage infrared saunas

Add to cart

White Therasage TheraO3 module lower front with its two mode buttons and four dark indicators.

Rechargeable battery

A built-in 18650 lithium battery runs up to 8 hours of continuous use per charge, charged over DC 5V USB.

Black Therasage TheraO3 module on an armrest in an empty parked car with an open window.

Ozone mode

Produces ozone for use in a Therasage sauna session, or in an unoccupied room or vehicle that is ventilated afterwards.

Close view of the black Therasage TheraO3 outlet grille, ION and O3 buttons, and dark indicators.

Negative-ion mode

A built-in generator that runs without ozone output.

White Therasage TheraO3 module resting inside the front corner of an empty Therasage sauna.

Sauna pairing

Designed to pair with Therasage infrared saunas; you place the unit inside and run ozone mode through the session.

White Therasage TheraO3 module lying face up on a folded grey travel shirt.

Travel size

At 3 x 5 x 2 in it fits in a bag, and a travel pouch comes in the box.

Therasage TheraO3 Ozone Module Ozone & Ion Generator – view 4

One-button control

A single button switches modes and starts a session.

Therasage TheraO3 Ozone Module Ozone & Ion Generator

Light weight

At 10 oz it is easy to carry in a bag.

Black Therasage TheraO3 module with dark indicators stored beside an unlit lamp on a bedside table.

Standby time

12.5 hours of standby between uses.

How to use the TheraO3 Ozone Module Ozone and Ion Generator

Therasage TheraO3 Ozone Module Ozone & Ion Generator – view 3

1 - Charge

Connect the USB charging cable and let the battery reach full charge before first use.

2 - Choose a mode

Press the button to select ozone mode or negative-ion mode.

3 - Place and run

In a sauna, place the unit inside and run ozone mode through your session. In a car or hotel room, run it for 15 to 30 minutes with nobody in the space, then ventilate briefly before re-entering.

Specifications and details

Specifications

Specifications
Device
Modes	Ozone, negative ion
Controls	Single button
Pairs with	Therasage infrared saunas
Battery and power
Battery	18650 lithium, rechargeable
Continuous use	Up to 8 hours per charge
Standby time	12.5 hours
Power source	DC 5V, USB charging

How the two modes work

Ozone mode produces ozone from the module. Negative-ion mode switches to the built-in ion generator, which runs without ozone output.

A single button selects the mode and starts a session. The module runs from its rechargeable 18650 lithium battery, charged over USB.

Where to use it

Where to use it
Inside a Therasage infrared sauna, placed in the cabin for a session
In a car, hotel room or office in ozone mode, while the space is unoccupied and followed by brief ventilation
On the road: the module and its travel pouch fit in a bag

Size and weight

Size and weight
Width	3 in
Height	5 in
Depth	2 in
Weight	10 oz

What is in the box

What is in the box
TheraO3 Ozone Module
USB charging cable
Travel pouch
User manual

Power

Power
Power source	DC 5V over USB
Battery	Built-in 18650 lithium, rechargeable

Safety and care

In a car, hotel room or office, run ozone mode only while the space is unoccupied, then ventilate briefly before you re-enter.

Safety and care
In a car or hotel room, run the unit for 15 to 30 minutes with nobody in the space, then ventilate briefly
Charge the battery after each long session

Warranty and support

Warranty and support
Term	1-year limited warranty

FAQs

What are the two modes?

Ozone mode produces ozone. Negative-ion mode uses a built-in ion generator and runs without ozone output. One button switches between them.

How long does the battery last?

Up to 8 hours of continuous use per charge, with 12.5 hours of standby.

How do I charge it?

It charges over USB at DC 5V, and a USB charging cable is in the box.

How big is it, how much does it weigh and what colors does it come in?

The module measures 3 x 5 x 2 in (W x H x D), weighs 10 oz and comes in white or black.

How long do I run it in a car or hotel room?

Run it for 15 to 30 minutes in an unoccupied space, then ventilate briefly before you re-enter.

Do I need a Therasage sauna to use it?

The module is designed to pair with Therasage infrared saunas, and it can also run in an unoccupied room or vehicle.

Can I run ozone mode with people in the room?

In a car, hotel room or office, run ozone mode only while the space is unoccupied, then ventilate briefly before re-entering. Negative-ion mode runs without ozone output.

What warranty does it have?

A 1-year limited warranty.

Where can I find longevity devices similar to the TheraO3 Ozone Module Ozone and Ion Generator?

Check out these related biohacking equipment collections.

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