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Aukey EP-B40S vs Nothing CMF Neckband Pro: which should you buy?

Specs, scores and condensed review verdicts for the Aukey EP-B40S vs Nothing CMF Neckband Pro, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

Nothing CMF Neckband Pro leads on 7 of 7 measures.

  • Aukey EP-B40S
  • Nothing CMF Neckband Pro
HearWiki score
-
77
Sound
-
7.1
Noise cancelling
-
7.4
Battery
-
8.7
Calls
-
7.5
Value
-
9.2
Price (USD)
$24
$22

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

Half a step newer

Nothing CMF Neckband Pro (2024) against Aukey EP-B40S (2017). The Nothing CMF Neckband Pro edges ahead on platform, but only just: Top codec LDAC against aptX. It also adds Water resistance IP55 against IPX4.

  • EP-B40S2017
  • CMF Neckband Pro20247 yr newer
What differsEP-B40SCMF Neckband Pro

Platform

Top codec
aptX
LDAC

Everyday features

Water resistance
IPX4
IP55

Level on: Multipoint pairing.

Specifications

EP-B40SCMF Neckband Pro
Type
Neckband
Neckband
Price (USD)
$24
$22
HearWiki score
Not scored
77
Released
2017
2024
Availability
Discontinued
Still sold new
Driver
-
13.6 mm dynamic
Driver type
-
dynamic
Driver size
-
13.6 mm
Drivers per side
-
1
Frequency response
20 Hz - 20 kHz
20 Hz - 20 kHz
Bluetooth
-
5.3
Codecs
AAC, aptX
SBC, AAC, LDAC
Multipoint pairing
Yes
Yes
Wireless range
10 m
10 m
Battery life
8 h
37 h
Battery life (ANC on)
-
17 h
Full charge time
90 min
30 min
Quick charge
-
10 min → 18 h
Wireless charging
-
No
Active noise cancelling
-
Yes
ANC type
-
hybrid
Transparency mode
-
Yes
Companion app
-
Yes
Custom EQ
-
Yes
Wear detection
-
No
Controls
-
both
Weight
13 g
29.6 g
Water resistance
IPX4
IP55
USB-C
-
Yes
Microphones
2
5
Call noise reduction
Yes
-
Call NR technology
cVc
ENC

What reviewers said

Aukey EP-B40S

The Aukey EP-B40S is a lightweight wireless neckband headphone designed for portable listening and calls. It offers solid battery life, support for both AAC and aptX codecs, and includes dual microphones with cVc noise reduction for clearer conversations. Its IPX4 rating makes it suitable for workouts or light rain, while multipoint connectivity adds convenience for multitaskers.

  • Pro:Lightweight at just 13 grams
  • Pro:Supports both AAC and aptX codecs
  • Pro:Multipoint pairing for two devices
  • Con:Battery life is modest at 8 hours
  • Con:No active noise cancellation for music
  • Con:Charging takes 90 minutes, which is average

Nothing CMF Neckband Pro

The CMF Neckband Pro is a budget-friendly neckband that packs hybrid ANC, LDAC support, and Bluetooth 5.3 with multipoint into a lightweight 29.6g design. Its 13.6mm dynamic driver delivers bass-forward sound, while the 37-hour total battery (17 with ANC) and IP55 rating make it a versatile daily companion. With five mics for calls and app-based EQ, it offers strong value for its price point.

  • Pro:Long battery life, especially with ANC off
  • Pro:Effective hybrid ANC for the price
  • Pro:LDAC codec support for high-res audio
  • Con:Bass-heavy tuning may not suit neutral listeners
  • Con:No wireless charging despite USB-C
  • Con:ANC battery life drops significantly to 17 hours

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

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