€ 48
Deliveryabout 1 day
Returns30-day free returns
Before you buy, compare it with 2 recommended alternatives
Beside them, two models on sale today that come closest on score and price, of the same type where we have them.
Green is the best of these 3, also when they share the lead.
| This model CMF Buds 2 | Higher score, 16% cheaper Xiaomi Redmi Buds 6 Best on 1 fact | Much better, 18% dearer Soundcore P40i Best on 1 fact | |
|---|---|---|---|
| Most important facts | |||
| The lowest price today at a shop that delivers to you, delivery included. A price with an asterisk comes from a shop abroad, and its delivery cost is our own estimate. Lowest price | € 48Coolblue | € 40bol.com best | € 58bol.com |
| Our own score out of 10: 60% the maker’s facts and 40% shop ratings. Price does not count. Score | best | ||
| The average of the stars buyers give at the shops, with the number of reviews behind it. We only compare it from 20 reviews. Customer rating | ★ 4.5 · 32 reviews | – | – |
| How the headphones cancel outside noise with microphones. Hybrid uses microphones outside and inside the cup, adaptive also adjusts to the sound around you. When it matters
When it matters less
Source
| Adaptive | Adaptive | Adaptive |
| How long the headphones or the earbuds play on one charge with noise cancelling on, as the maker states it. In this comparisonWhen it matters
When it matters less
Source
| 7.5 h | – | 10 h |
| What the headphones or one earbud weigh. Lighter is more comfortable for hours at a time. In this comparisonWhen it matters
When it matters less
Source
| 4.5 g | 5 g | – |
| The Bluetooth version. A newer one connects more steadily and uses less power, if the phone has it too. In this comparisonSource
| 5.4 | 5.4 | 5.3 |
| How well they resist water and dust, as the IP code states. IPX4 survives sweat and rain, IPX7 a short dip in water. When it matters
When it matters less
Source
| IP55 | IP54 | IPX5 |
| How the sound is packed for Bluetooth. AAC suits iPhones, aptX and LDAC carry more detail from Android phones that support them. When it matters
When it matters less
Source
| SBC, AAC | AAC | – |
| Connected to two devices at once, such as a phone and a laptop, and switching by itself to the one that plays. When it matters
When it matters less
Source
| yes | yes | yes |
Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.
Prices per shop
On 1 November 2026 the lowest price for the CMF Buds 2 is € 48 at Coolblue, delivery to the Netherlands included. In our ranking it is rank 49 of 58 with an in-ear fit, with a score of 7.8 out of 10.
All prices include VAT and delivery to the Netherlands. We may earn a commission when you buy through these links. It never changes our ranking.
€ 49
Deliveryabout 1 day
Returns30-day free returns
At the same price, a shop in your own country comes first, then a shop selling its own stock before a marketplace seller, then the shorter delivery time, then free returns and the longer return window. Commission never counts.
* Shop abroad: delivery and VAT are our estimate. Returns are the shop's own terms, a marketplace seller sets its own. Tap a return term to read the shop's policy. Let your browser translate it.
Price history
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Lowest since 1 Nov€ 48
Highest since 1 Nov€ 49
Price drops since 1 Nov0no drop seen yet
CMF Buds 2 specifications
The numbers that matter first, then every fact by group. As published by the maker or the shop we read it from.
CMF · on the market since April 2025
Build and fit 12 facts
- Form factor
Source: derived, no source of its own · checked on 1 Nov
How the headphones sit: over the ear, on the ear, in the ear canal, in the outer ear, beside the ear or on the cheekbone.
- In-ear
- True wireless
96 of the 184 models we track have this.
Source: derived, no source of its own · checked on 1 Nov
Two separate earbuds with no wire between them, charged in a case.
- yes
- Wireless
153 of the 184 models we track have this.
Source: derived, no source of its own · checked on 1 Nov
They play over Bluetooth, without a cable to the phone.
- yes
- Wired connection
Source: derived, no source of its own · checked on 1 Nov
The plug for a cable, so you can also listen wired, for instance on a plane or with a battery that has run out.
- None
- Audio over USB-C
Source: assumed, not named by the maker · checked on 1 Nov
They play sound over a USB-C cable, straight from a phone or a laptop. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
- Driver type
Source: nothing.tech · checked on 1 Nov
The kind of speaker inside. Dynamic drivers are the most common. Planar and electrostatic ones are mostly found in expensive headphones for home listening.
- Dynamic
- Driver size
Among the models we track
11 mm on this model
Lowest
4.7 mm Highest
56 mm Middle
12 mmLower than 62 of the 107 models we track.
Source: nothing.tech · checked on 1 Nov
The diameter of the speaker inside. A bigger driver does not by itself mean better sound.
- 11 mm
- Weight
Among the models we track
4.5 g on this model
Lowest
3.1 g Highest
451 g Middle
8.6 gLower than 158 of the 168 models we track.
When it matters
- Wearing them for hours at a desk or on a flight.
- Running or the gym, where a heavy earbud works loose.
When it matters less
- Short listens, where comfort hardly has time to matter.
Source: nothing.tech · checked on 1 Nov
What the headphones or one earbud weigh. Lighter is more comfortable for hours at a time.
- 4.5 g
- Case weight
Among the models we track
41.5 g on this model
Lowest
22 g Highest
134.5 g Middle
46 gLower than 53 of the 78 models we track.
Source: nothing.tech · checked on 1 Nov
What the charging case weighs, without the earbuds.
- 41.5 g
- Water and dust resistance
When it matters
- Running and the gym, where sweat gets in.
- Cycling or walking in the rain.
When it matters less
- Listening indoors only.
Source: nothing.tech · checked on 1 Nov
How well they resist water and dust, as the IP code states. IPX4 survives sweat and rain, IPX7 a short dip in water.
- IP55
- Controls
Source: nothing.tech · checked on 1 Nov
How you play, pause and change the volume on the headphones themselves.
- Touch
- Microphones
Among the models we track
6 on this model
Lowest
0 Highest
10 Middle
6Higher than 39 of the 90 models we track.
Source: nothing.tech · checked on 1 Nov
How many microphones the maker counts, for calls and noise cancelling together.
- 6
Sound 2 facts
- Equaliser in the app
105 of the 106 models we track have this.
Source: nothing.tech · checked on 1 Nov
You can adjust bass and treble in the maker’s app.
- yes
- Spatial audio
83 of the 88 models we track have this.
Source: nothing.tech · checked on 1 Nov
Sound that seems to come from around you rather than from inside your head.
- yes
Noise cancelling 3 facts
- Active noise cancelling
When it matters
- Flights, trains and open-plan offices.
- A daily commute in traffic.
When it matters less
- Listening at home in a quiet room.
Source: nothing.tech · checked on 1 Nov
How the headphones cancel outside noise with microphones. Hybrid uses microphones outside and inside the cup, adaptive also adjusts to the sound around you.
- Adaptive
- Transparency mode
109 of the 119 models we track have this.
Source: nothing.tech · checked on 1 Nov
Lets outside sound through on purpose, so you hear traffic or a colleague without taking them off.
- yes
- Hearing aid function
Source: assumed, not named by the maker · checked on 1 Nov
Can work as a hearing aid for mild to moderate hearing loss, where the maker has it approved. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
Wireless 8 facts
- Bluetooth version
Among the models we track
5.4 on this model
Lowest
5 Highest
6.1 Middle
5.3Higher than 98 of the 141 models we track.
Source: nothing.tech · checked on 1 Nov
The Bluetooth version. A newer one connects more steadily and uses less power, if the phone has it too.
- 5.4
- Bluetooth codecs
When it matters
- Lossless or high-resolution music from an Android phone that supports aptX or LDAC.
- An iPhone, where AAC is the codec that counts.
When it matters less
- Podcasts, calls and streaming at normal quality.
Source: nothing.tech · checked on 1 Nov
How the sound is packed for Bluetooth. AAC suits iPhones, aptX and LDAC carry more detail from Android phones that support them.
- SBC, AAC
- Multipoint
115 of the 117 models we track have this.
When it matters
- Switching between a laptop for calls and a phone for music.
- Working from home with two devices on the desk.
When it matters less
- Using them with one phone only.
Source: nothing.tech · checked on 1 Nov
Connected to two devices at once, such as a phone and a laptop, and switching by itself to the one that plays.
- yes
- LE Audio
Source: assumed, not named by the maker · checked on 1 Nov
The newer Bluetooth standard for sound, with the LC3 codec: better sound on less power, with phones that support it. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
- Auracast
Source: assumed, not named by the maker · checked on 1 Nov
Can listen to a Bluetooth broadcast, such as a TV, an airport announcement or a friend sharing music. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
- Google Fast Pair
54 of the 55 models we track have this.
Source: nothing.tech · checked on 1 Nov
Pairs in one tap with an Android phone.
- yes
- Made for
Source: derived, no source of its own · checked on 1 Nov
Whose phones the headphones are made for. Some features, such as one-tap pairing or spatial audio, work only with that maker’s phones.
- Any phone
- Wireless range
Among the models we track
10 m on this model
Lowest
9 m Highest
40 m Middle
10 mLower than 11 of the 68 models we track.
Source: nothing.tech · checked on 1 Nov
How far from the phone the maker says the connection holds, without walls in between.
- 10 m
Battery 7 facts
- Battery life with noise cancelling
Among the models we track
7.5 h on this model
Lowest
4 h Highest
75 h Middle
8 hLower than 66 of the 108 models we track.
When it matters
- Long flights or a full working day.
- Travelling where you cannot charge.
When it matters less
- An hour of listening a day, which any model manages for a week.
Source: nothing.tech · checked on 1 Nov
How long the headphones or the earbuds play on one charge with noise cancelling on, as the maker states it.
- 7.5 h
- Battery life without noise cancelling
Among the models we track
13.5 h on this model
Lowest
5 h Highest
135 h Middle
10 hHigher than 87 of the 123 models we track.
Source: nothing.tech · checked on 1 Nov
How long they play on one charge with noise cancelling off.
- 13.5 h
- Battery life with the case
Among the models we track
55 h on this model
Lowest
18 h Highest
60 h Middle
36 hHigher than 83 of the 86 models we track.
Source: nothing.tech · checked on 1 Nov
How long the earbuds play in total with the charges stored in their case.
- 55 h
- Fast charge time
Among the models we track
10 min on this model
Lowest
3 min Highest
20 min Middle
10 minHigher than 50 of the 132 models we track.
Source: nothing.tech · checked on 1 Nov
How many minutes of charging give the playback below.
- 10 min
- Playback from a fast charge
Among the models we track
2.4 h on this model
Lowest
1 h Highest
15 h Middle
3 hLower than 73 of the 132 models we track.
Source: nothing.tech · checked on 1 Nov
How many hours of playback a short fast charge gives.
- 2.4 h
- Full charge time
Among the models we track
93 min on this model
Lowest
40 min Highest
210 min Middle
120 minLower than 53 of the 95 models we track.
Source: nothing.tech · checked on 1 Nov
How long a full charge takes.
- 93 min
- Wireless charging
Source: assumed, not named by the maker · checked on 1 Nov
The case or the headphones charge on a Qi pad, without a cable. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
In use 2 facts
- Wear detection
57 of the 58 models we track have this.
Source: nothing.tech · checked on 1 Nov
The music pauses when you take them off and plays on when you put them back.
- yes
- App
Source: nothing.tech · checked on 1 Nov
The name of the maker’s app.
- Nothing X
Warranty and support 1 fact
- Launched
Source: nothing.community · checked on 1 Nov
The month the model came out, as far as the maker or a register shows.
- 2025-04-28
Sources: nothing.tech · nothing.community
Our score
Confidence: medium. Fewer than 300 owners’ ratings at the shops. The highest score today is 8.8.
-
Owners’ ratings 40%7.1
32 ratings, 4.5 stars on average, at Coolblue.
-
Features 60%8.3
63 of 78 points for the maker’s facts, the other 22 counted at the market’s average share of 89%.
- Price never countsA sale can’t lift a model. Today’s lowest price sits beside the score, checked every morning.
- Too few facts, no rankOnly headphones whose type and enough of whose facts are known are ranked. The rest get a provisional score.
- Reviewers beside, not insideReviewers’ picks are shown next to the score and do not count in it.
Frequently asked questions about the CMF Buds 2
How do buyers rate the CMF Buds 2?
Buyers rate the CMF Buds 2 4.5 out of 5, from 32 reviews at Coolblue (NL). We read the ratings on 1 November 2026.
How long does the battery of the CMF Buds 2 last?
The maker states up to 7.5 hours of play with noise cancelling on, and 13.5 hours with it off. With the charging case, that comes to 55 hours in all. A 10-minute charge gives 2.4 hours of play.
Does the CMF Buds 2 have noise cancelling?
Yes, adaptive noise cancelling, which adjusts its strength to the sound around you. It also has a transparency mode that lets the sound around you in when you want to hear it.
Can the CMF Buds 2 connect to two devices at once?
Yes, it can stay connected to more than one device at a time, such as a phone and a laptop.
Which Bluetooth codecs does the CMF Buds 2 support?
It supports SBC and AAC. Every current phone plays over these codecs.
Is the CMF Buds 2 water resistant?
It is rated IP55. That protects it against jets of water, so rain, sweat and a rinse under the tap do no harm.
The maker
CMF
- Owned by Nothing Technology Limited, United Kingdom
CMF is a sub-brand of Nothing, the consumer electronics company Nothing Technology Limited in London. Nothing presents CMF by Nothing as an affordable range with an attention to design. Its products are sold in Nothing's own web shop. The audio range includes the CMF Buds 2 earbuds and the CMF Headphone Pro, the first over-ear headphones under the CMF name.
