True Wireless
Nothing CMF Buds Neo
84Outstanding
$22
Full review dataNothing CMF Buds Neo vs Tronsmart Onix Free: which should you buy?
On aggregated review scores the Nothing CMF Buds Neo comes out ahead with a HearWiki score of 84. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Nothing CMF Buds Neo - Outstanding overall at around $22.
True Wireless
Tronsmart Onix Free
58Average
$25
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Nothing CMF Buds Neo leads on 7 of 7 measures.
- Nothing CMF Buds Neo
- Tronsmart Onix Free
HearWiki score
84
58
Sound
7.4
6.2
Noise cancelling
7.8
-
Battery
9.0
5.8
Calls
7.8
6.1
Value
9.8
-
Price (USD)
$22
$25
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 Buds Neo (2026) against Tronsmart Onix Free (2020). The Nothing CMF Buds Neo edges ahead on platform, but only just: ANC type Adaptive against None.
- CMF Buds Neo20266 yr newer
- Onix Free2020
What differsCMF Buds NeoOnix Free
- ANC type
- Adaptive
- None
Platform
Level on: USB-C.
Specifications
CMF Buds NeoOnix Free
- Type
- True Wireless
- True Wireless
- Price (USD)
- $22
- $25
- HearWiki score
- 84
- 58
- Released
- 2026
- 2020
- Availability
- Sold new
- Discontinued
- Driver
- 12.4 mm dynamic
- 6 mm dynamic
- Driver type
- dynamic
- dynamic
- Driver size
- 12.4 mm
- 6 mm
- Drivers per side
- 1
- -
- Frequency response
- -
- 20 Hz - 20 kHz
- Impedance
- -
- 16 Ω
- Bluetooth
- -
- 5.0
- Codecs
- -
- SBC, AAC, aptX
- Multipoint pairing
- -
- No
- Wireless range
- -
- 15 m
- Battery life
- 11 h
- 7 h
- Battery incl. case
- 52 h
- 35 h
- Full charge time
- 10 min
- 60 min
- Quick charge
- 10 min → 5.5 h
- -
- Wireless charging
- -
- No
- Active noise cancelling
- Yes
- No
- ANC type
- adaptive
- none
- Companion app
- Yes
- -
- Custom EQ
- Yes
- -
- Controls
- -
- buttons
- Weight
- -
- 4 g
- Case weight
- -
- 36.2 g
- Water resistance
- -
- IPX7
- USB-C
- Yes
- Yes
- Model code
- -
- Onyx Free
- Microphones
- 4
- 4
- Mic sensitivity
- -
- -42 dBV
- Call noise reduction
- Yes
- Yes
- Call NR technology
- -
- cVc 8.0
What reviewers said
Nothing CMF Buds Neo
The CMF Buds Neo deliver impressive value for around $22, combining a punchy, bass-forward sound with surprisingly effective adaptive ANC and marathon battery life of up to 52 hours with the case. They offer a comfortable, lightweight fit, app support with a custom EQ, and quick charging, though some premium conveniences like wear detection are absent. Overall, they stand out as a top budget TWS option for listeners who prioritize bass, battery, and noise cancellation over extra features.
- Pro:Strong bass-heavy sound with good volume
- Pro:Effective adaptive ANC for the price
- Pro:Excellent battery life (up to 52h with case)
- Con:No wear detection sensor
- Con:Finicky touch controls at times
- Con:No physical pairing button on the buds
Tronsmart Onix Free
The Tronsmart Onyx Free are compact true wireless earbuds that prioritize treble and light bass, offering a sound that won't top charts but remains serviceable. They stand out with reliable call quality, physical button controls, and a secure fit that holds up even during sleep, making them a solid budget option for daily commutes or nighttime use. Battery life is a step up from siblings in the same lineup, adding to their practicality.
- Pro:Physical buttons for easy control
- Pro:Good call quality for the price
- Pro:Secure, comfortable fit for long wear or sleep
- Con:Sound signature is treble-focused with weak bass
- Con:Not competitive with best-in-class audio performance
- Con:Plastic build may feel less premium
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
Compare something else
Swap either side out, or start again from the picker.