CMF BY NOTHING Speaker M Portable Bluetooth Speaker, 35W

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Product guide

CMF BY NOTHING Speaker M Portable Bluetooth Speaker, 35W

CMF BY NOTHING Speaker M is a portable Bluetooth speaker with a claimed 35-watt dual-driver output, USB-C audio, and a built-in carry handle. Its battery and IP68 protection claims suit listening away from a desk, while its size and weight are worth considering for frequent carrying.

At a glance

The listing describes a 25W woofer and 10W tweeter for 35W RMS output, with a stated 60Hz–20kHz range.
Manufacturer claims up to 18 hours of playback at under 50% volume and IP68 dust and water resistance, including submersion up to 1.5m for up to 30 minutes.
USB-C audio is described as lossless with latency below 60ms for desktop gaming and movies.
The listing describes stereo pairing with a second Speaker M and Auracast Party Mode with compatible speakers.
A built-in handle, physical controls and removable panels are described. Nothing X app sound presets and custom EQ are also listed.

Price

$79.00Save 28%

Reference price: ~~$109.00~~

Price checked: Nov 14, 2026

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Often bought together

CMF BY NOTHING Speaker S Portable Bluetooth Speaker, 45mm Full-Range Driver | 10W RMS, 18H Playtime, IP68 Waterproof & Dustproof, Ultra Bass, Bluetooth 6.0, NFC Fast Pair, Auracast Party Mode

$39.00

Pros and cons

Pros

Claimed dual-driver design separates woofer and tweeter duties, and the listing specifies 35W RMS output.
USB-C audio and stated sub-60ms latency offer a wired desktop listening option for gaming and video.
The claimed 18-hour playback and IP68 rating support longer sessions and outdoor use when used within the stated conditions.
A built-in handle and physical playback controls can make carrying and adjusting the speaker more convenient.

Cons

At 602 g, it is heavier than an ultra-compact speaker for buyers prioritizing the lightest carry option.
Creating left-right stereo mode requires a second Speaker M, and Auracast Party Mode requires compatible speakers.

Technical specifications

26 specifications

Identity and audio
Brand	CMF BY NOTHING
Model	CMF Speaker M
Maximum output power	35 watts
Audio output	Stereo
Audio channels	2
Woofer diameter	7 centimeters
Tweeter diameter	16 millimeters
Frequency response	20 KHz
Speaker type	Multimedia
Driver type	Dynamic Driver

Connectivity and controls
Connection listed	Bluetooth, USB
Control methods listed	App, Push Button
Compatible devices	Laptop, Smartphone
Audio latency	60 milliseconds

Power and battery
Power configuration	Battery Powered
Input voltage	5 volts
Battery listing	1 Nonstandard Battery batteries required. (included)

Dimensions and installation
Mounting type listed	Tabletop Mount
Dimensions	3.34"D x 8.66"W x 2.12"H
Weight	602 g

Materials and protection
Enclosure materials	Acrylonitrile Butadiene Styrene (ABS), Thermoplastic Polyurethane (TPU)
Water resistance listed	Waterproof
Dust and water claim	Dustproof, Waterproof

Other listed details
Color	White
Warranty type	Limited
Warranty description	1 Year Manufacturer

What to know before buying

Listing details to confirm

The listing gives 20 KHz as the frequency response in its specifications, but feature copy states 60Hz–20kHz. It also lists latency as 60 milliseconds while describing USB-C latency as below 60ms. Treat these as inconsistent listing details, not settled measurements. The 18-hour playback claim is conditional on under 50% volume.

What’s in the box

Included

Safety information
Warranty information and User Guide × 1
Speaker × 1

Who is it for?

A good fit for

Listeners wanting a portable speaker with listed battery power, a carry handle and dust and water protection claims.
Desktop users who want USB-C audio and the listing's low-latency gaming and movie use case.
Buyers interested in app-based EQ, physical controls or expanding playback with compatible speakers.

Less suited to

Anyone seeking stereo left-right separation from a single speaker, since the listing describes stereo mode as pairing two units.
Buyers who need a verified frequency-response or latency figure before purchase, given inconsistent listing wording.

CMF BY NOTHING Speaker M Portable Bluetooth Speaker, 35W · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.1 / 5 · 11 ratings

5 stars61%61%
4 stars16%16%
3 stars8%8%
2 stars0%0%
1 star15%15%

The supplied evidence contains aggregate ratings but no customer-comment summary. The rating distribution leans positive, while a smaller one-star share shows that experiences are not uniformly favorable. With a limited rating sample and no comment details, it cannot establish why customers rated it as they did or how it performs in specific situations.

Frequently asked questions

Does the Speaker M provide stereo sound by itself?

The listing identifies stereo output and two audio channels, but describes left-right Stereo Mode as pairing two Speaker M units. Do not assume one unit provides separated left and right channels.

How long can it play on battery?

The manufacturer claims up to 18 hours, with one feature statement specifying playback at under 50% volume. Actual use may differ, and the claim should not be treated as unconditional.

Can it be used outdoors or near water?

The listing claims IP68 dust and water resistance and says it is designed for submersion up to 1.5m for up to 30 minutes. Follow product guidance and do not treat this as a guarantee for every situation.

Is USB-C useful for gaming or movies?

The listing describes USB-C audio as lossless and below 60ms latency for desktop gaming and movies, while the specification table gives 60 milliseconds. The exact latency is therefore not consistently stated.