CMF BY NOTHING Speaker S E494 Bluetooth Speaker, 10W, 45mm Driver

E494: CMF BY NOTHING Speaker S is a compact portable Bluetooth speaker with a 45mm full-range driver and a claimed 10W output. Its stated 18-hour playback applies at under 50% volume, while USB-C audio and charging add wired desktop use alongside Bluetooth listening.

At a glance

Manufacturer claims up to 18 hours of playback at under 50% volume and a full USB-C charge in approximately 2.5 hours.
Bluetooth 6.0, NFC Fast Pair and dual-device connection are listed. USB-C audio is claimed to have less than 60 ms latency.
Pair two Speaker S units for left and right stereo playback. Auracast Party Mode is described for compatible speakers.
The listing claims IP68 dust and water resistance, including submersion up to 1.5m for up to 30 minutes.
Sound options include four stated presets and a custom EQ through the Nothing X app.

Price

£39.00Save 20%

Reference price: ~~£49.00~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Compact listed dimensions and 334-gram weight make it easier to carry than a larger speaker.
USB-C audio offers a wired option for desktop films and gaming, while Bluetooth and NFC support wireless pairing.
Physical controls include a playback knob and dedicated power, Bluetooth pairing and Auracast buttons.

Cons

The claimed 10W output and small 45mm driver indicate a compact-speaker format rather than a high-output party system.
The stated 18-hour playback is conditional on listening below 50% volume, so louder use may not match that figure.

Technical specifications

21 specifications

Identity and audio
Brand	CMF BY NOTHING
Model	E494
Speaker type	Portable Bluetooth Speaker
Maximum output power	10 Watts
Driver size	45 Millimetres
Audio output mode	Stereo
Audio channels	2.0
Frequency response	20 KHz

Connectivity and controls
Connection listed	Bluetooth, NFC, USB
Compatible devices	Laptop, PC, Smartphone, Tablet
Maximum Bluetooth range listed	100 Metres

Power and battery
Power configuration	Battery Powered
Battery quantity listed	1 Nonstandard Battery batteries required. (included)
Input voltage	5 Volts

Dimensions and installation
Dimensions (D x W x H)	85D x 45W x 132H millimetres
Weight	334 Grams
Mounting type listed	Tabletop

Materials and protection
Material listed	Acrylonitrile Butadiene Styrene (ABS), Polycarbonate (PC)
Waterproof status listed	True
Colour	Turquoise
Warranty	1 Year Limited Warranty

What to know before buying

Listing details to confirm

Battery life of up to 18 hours is specified at under 50% volume. The listing also claims IP68 protection and submersion up to 1.5m for up to 30 minutes. The 100-metre Bluetooth range is stated for free space, and stereo playback requires pairing two identical speakers. The specifications list USB connectivity, while feature text specifically describes USB-C audio and charging. Check the selected listing for the exact connection and included charging accessories.

What’s in the box

Included

Safety information
Warranty information
Speaker

Who is it for?

A good fit for

Buyers wanting a compact speaker for travel, outdoor listening or a desk setup.
Listeners who value USB-C wired audio, NFC pairing and customisable EQ options.
Owners planning to pair two Speaker S units for dedicated left and right channels.

Less suited to

Buyers seeking high-output sound for a large gathering or a claimed 18-hour runtime at high volume.
Anyone expecting left-right stereo from one speaker without pairing a second identical unit.

CMF BY NOTHING Speaker S E494 Bluetooth Speaker, 10W, 45mm Driver · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 13 ratings

5 stars90%90%
4 stars0%0%
3 stars10%10%
2 stars0%0%
1 star0%0%

The supplied evidence contains aggregate ratings only, with a small rating sample that is mostly five-star and includes some three-star ratings. That is a positive but limited signal, not evidence of particular strengths or causes for lower ratings. There is no customer-comment summary to explain experiences with battery life, sound or durability.

Frequently asked questions

How long does the Speaker S battery last?

The listing claims up to 18 hours of playback at under 50% volume. It gives an approximate full USB-C recharge time of 2.5 hours.

Can one Speaker S play stereo left and right channels?

The listing says to pair two identical Speaker S units in Stereo Mode for dedicated left and right channels.

Can it connect to a laptop by cable?

USB-C audio is described for desktop use, including films and gaming, with latency stated as less than 60 ms. Confirm that the selected version includes any cable you need.

What water protection is claimed?

The listing claims IP68 dust and water resistance and says it can withstand submersion up to 1.5m for up to 30 minutes.