Nothing Buds Buds 2
Pairs an 11mm dynamic driver with Dirac Opteo tuning for clear instrument separation, while its 48dB hybrid ANC actively cancels noise across a 5200Hz frequency range. A 55-hour total battery life with quick charging (10 minutes for 7.5 hours) and 360° spatial audio via HRTF-based algorithms add further versatility. With strong gaming ergonomics and IP55 water resistance, these earbuds are best for mobile gamers and fitness users who prioritize noise cancellation and marathon battery life.
Sobre este Earbuds
Pairs an 11mm dynamic driver with Dirac Opteo tuning for clear instrument separation, while its 48dB hybrid ANC actively cancels noise across a 5200Hz frequency range. A 55-hour total battery life with quick charging (10 minutes for 7.5 hours) and 360° spatial audio via HRTF-based algorithms add further versatility. With strong gaming ergonomics and IP55 water resistance, these earbuds are best for mobile gamers and fitness users who prioritize noise cancellation and marathon battery life.
- Form factor in-ear
- Driver type dynamic
- Wireless
- Active noise cancellation
- Bluetooth version 5.4
- Battery life hours 13.5
- Case battery hours 55
- Water resistance IP55
The 30-Second Version
With 55 hours of total battery and 48dB ANC, the CMF Buds 2 are shockingly capable for under $50. Call quality lands in the 97th percentile, making them stellar for voice, and our database shows ANC performance rivaling far pricier models. Sound quality measured poorly on accuracy, but owners love the energetic, bass-driven tuning anyway.
Overview
The CMF Buds 2 absolutely crush it on battery life and noise cancellation, making a strong case for themselves under $50. With 55 hours of total playtime and a 10-minute quick charge that gives you 7.5 hours of listening, these earbuds sit in the 97th percentile for battery endurance in our database. That's not just good, it's practically best-in-class. The 48dB hybrid ANC is no slouch either, landing in the 92nd percentile and blocking out a surprisingly wide range of frequencies thanks to that 5200Hz ultra-wide range. Outdoor commutes and office chatter don't stand a chance.
Now, about sound quality. Our audio benchmarks tell a different story, placing the CMF Buds 2 in the 6th percentile for accuracy. That looks alarming, but here's the thing: these buds are tuned for entertainment, not critical listening. The 11mm driver with Dirac Opteo processing serves up a bass-heavy, energetic sound that users absolutely rave about. It's a classic case of fun trumping flat response. And with a mic array that hits the 97th percentile, call quality is stellar. So while audiophiles might wince at our charts, the target audience is getting a fantastic all-rounder for the money.
Performance
The 11mm dynamic driver pumps out deep, thumping bass that you can feel, and the Dirac Opteo tuning does a solid job keeping vocals crisp and instruments separated, even if the overall signature leans heavily toward low-end excitement. You also get a spatial audio effect powered by an HRTF-based algorithm, adding a cinematic feel to movies and games. In everyday use, this is a very enjoyable listen, especially for pop, hip-hop, and podcasts. Our measurements ding it for lack of neutrality, but we can't ignore that user sentiment is through the roof at the 92nd percentile. For the price, the sound is more than acceptable.
Call quality is a surprise highlight. Six microphones with AI-powered Clear Voice Technology 3.0 and Wind Noise Reduction 3.0 deliver some of the cleanest voice pickup we've measured, ranking in the 97th percentile. Your voice comes through naturally even in gusty conditions, making these a great pick for work-from-anywhere calls. Bluetooth 5.4 keeps the connection stable and supports low-lag mode for gaming, which is a nice bonus. All of that is packed into an IP55-rated build that can handle sweat and rain without flinching.
Pros & Cons
Pros
- Outstanding battery life: 55h total, 13.5h on earbuds alone 97th
- 48dB ANC that really works, rivals pricier competitors 96th
- Crystal-clear call quality with 6 mics and excellent noise reduction 92th
- Comfortable, secure fit for most users and premium-feeling build 92th
- Incredible value at the low end of the price range
Cons
- Sound signature is bass-heavy and inaccurate by our measurements 6th
- Touch controls lack full customization in the app
- Charging case is somewhat bulky and lacks the functional dial of older models
- No Google Fast Pair support, manual pairing each time
- Design can slip out for some ear shapes during workouts
The Word on the Street
Specifications
Full Specifications
Design
| Form Factor | in-ear |
| Wearing Style | true wireless |
| Weight | 0.1 kg / 0.2 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 11 |
| Freq Max | 5200 |
| Impedance | 32 |
| Codecs | CMF By Nothing Buds 2 48dB Hybrid ANC True Wireless Earbuds, Strong and Comfort Noise Cancelling, Ultra Bass and Dirac Sound, in-Ear Detection, 55H Playtime, 6ENC Mics, Bluetooth 5.4Light Green |
Noise Control
| ANC | Yes |
| ANC Type | hybrid |
| Transparency | Yes |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
| Multipoint | No |
Earbud Battery
| Battery Life | 13.5 |
| Charge Time | 0.166 |
| Fast Charging | 10 min for 7.5 hours playback |
| Charging | USB-C |
Case Battery
| Case Battery | 55 |
| Case Charging | USB-C |
| Wireless Charging | No |
Microphone
| Microphone | Yes |
| Mic Count | 6 |
| NC Mic | Yes |
Features
| Voice Assistant | ChatGPT |
| Touch Controls | Yes |
| App | Nothing X |
| Gaming Mode | Yes |
| Bone Conduction | No |
| Water Resistance | IP55 |
Value & Pricing
Pricing for the CMF Buds 2 is a bit of a wild ride, ranging from $35 all the way up to $603 across different vendors. Ignore the high end, that's just opportunistic sellers. At the $35 mark on Amazon, these are an absolute steal. You're getting top-tier ANC and battery life that beats most $100+ earbuds, plus call quality that outperforms the vast majority of the market. The price-to-performance ratio for battery and noise cancellation is off the charts. Even if you pay a bit more, say $50, you're still getting excellent value. Just make sure you're not overpaying for what is fundamentally a budget champ.
vs Competition
Stacked against the Samsung Galaxy Buds3 Pro, the CMF Buds 2 hold their own on ANC and battery, but the Samsung's sound quality is in another league entirely. However, the Galaxy Buds3 Pro costs about five times as much. The EarFun Air Pro 4+ is a closer rival, offering similar ANC performance and a more balanced sound profile, but its battery life falls short of the CMF's marathon endurance. Soundcore's P31i also fights hard in this price bracket, but it can't match the CMF's call quality or ANC breadth. The JBL Endurance Peak 4 is built for sports with a different form factor, while SoundPEATS H3 brings strong sound but lacks the ANC refinement. The CMF Buds 2 carve out a clear niche: they're the battery and call quality champion for the absolute lowest price, as long as you're okay with a fun, bass-forward sound.
| Spec | Nothing Buds Buds 2 | Technics EAH-AZ100 EAH-AZ100 | Sony WF-1000XM6 WF-1000XM6 | Bose QuietComfort Ultra 896637-0010 | Sennheiser MOMENTUM True Wireless 4 | Samsung Galaxy Buds3 Pro SM-R630NZWAXAR |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | Dynamic | Dynamic | Dynamic | dynamic | Dynamic |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | true | true | true | true | true | true |
| Bluetooth Version | 5.4 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 |
| Battery Life Hours | 13.5 | 8 | 8 | 6 | 30 | 6 |
| Case Battery Hours | 55 | 28 | 24 | 18 | 30 | 26 |
| Water Resistance | IP55 | IPX4 | IPX4 | IPX4 | IP54 | IP57 |
| Multipoint | false | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Nothing Buds Buds 2 | 91.9 | 96.9 | 91.4 | 5.7 | 96.3 | 70.9 | 91.9 | 86.9 | 80.1 |
| Technics EAH-AZ100 EAH-AZ100 Compare | 96.6 | 96.9 | 79 | 99.1 | 79.1 | 93.4 | 91.9 | 99.1 | 89.3 |
| Sony WF-1000XM6 WF-1000XM6 Compare | 96.6 | 99.7 | 79 | 96.2 | 75.6 | 70.9 | 79.1 | 99.1 | 94.4 |
| Bose QuietComfort Ultra 896637-0010 Compare | 96.6 | 90.4 | 79 | 96.4 | 47 | 93.4 | 91.9 | 97.8 | 96.7 |
| Sennheiser MOMENTUM True Wireless 4 Compare | 96.6 | 99.7 | 33.4 | 91.9 | 97.5 | 93.4 | 91.9 | 90 | 89.3 |
| Samsung Galaxy Buds3 Pro SM-R630NZWAXAR Compare | 96.6 | 96.9 | 98.8 | 91.8 | 72.6 | 93.4 | 0 | 99.6 | 89.3 |
Common Questions
Q: How good is the noise cancellation on these?
Excellent for the price. The 48dB hybrid ANC with a 5200Hz ultra-wide frequency range ranks in the 92nd percentile in our tests, meaning it outperforms most budget earbuds and even challenges some mid-range models.
Q: Is the sound quality actually good for music?
It's a mixed bag. Our technical measurements put sound accuracy in the 6th percentile due to heavy bass emphasis, but user sentiment is extremely positive. For bass-heavy genres and casual listening, they're very enjoyable. If you want a flat, analytical sound, look elsewhere.
Q: How long does the battery really last?
You'll get up to 13.5 hours from the earbuds alone and a total of 55 hours with the case, which is in the 97th percentile for battery life. A 10-minute quick charge nets you 7.5 hours of playback, so you'll rarely run out of juice.
Who Should Skip This
Audiophiles and anyone who needs an accurate, neutral sound signature should walk away. Our benchmarks put these near the bottom for sound quality, so if you crave detail, wide soundstage, or reference tuning, you'll be disappointed. Also, if you're heavily invested in the Google ecosystem and want Fast Pair convenience, or you need a compact case with a dial, these aren't for you. Fitness users who experience ear-slippage should test the fit first.
Verdict
The CMF Buds 2 are a testament to how much you can get for under $50. If battery life and noise cancellation are at the top of your list, and you enjoy a warm, bassy sound, these are a no-brainer. Our sound benchmarks may give pause, but the tsunami of positive user feedback tells us that most people genuinely love how these sound in real life. They're comfortable, well-built, and deliver call quality that shames earbuds costing three times as much. For everyday listening, commuting, and calls, they're a top budget pick that's easy to recommend.