True Wireless
Realme Buds Air 7
78Great
$59
Full review dataRealme Buds Air 7 vs Tronsmart Sounfii NC 2: which should you buy?
On aggregated review scores the Realme Buds Air 7 comes out ahead with an HearWiki score of 78. The full breakdown - sub-scores, specs and what reviewers actually said - is below.
Our pick: Realme Buds Air 7 - Great overall at around $59.
True Wireless
Tronsmart Sounfii NC 2
68Good
$40
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
Realme Buds Air 7
Sound7.5
Noise cancelling7.0
Battery8.0
Calls7.0
Value8.5
Tronsmart Sounfii NC 2
Sound6.5
Noise cancelling7.0
Battery8.0
Calls6.5
Value8.0
Specifications
| Spec | Realme Buds Air 7 | Tronsmart Sounfii NC 2 |
|---|---|---|
| Type | True Wireless | True Wireless |
| Price (USD) | $59 | $40 |
| HearWiki score | 78 / 100 · Great | 68 / 100 · Good |
| Released | 2025 | 2025 |
| Audio | ||
| Driver | dynamic | 10mm |
| Driver size | 12.4 mm | 10 mm |
| Drivers per side | 2 | 1 |
| Frequency response | 20 Hz - 20,000 Hz | 20Hz-40kHz |
| Impedance | 32 Ω | - |
| Wireless | ||
| Bluetooth | 5.x | 6.0 |
| Bluetooth version | 5.4 | 6.0 |
| Codecs | SBC, AAC, LHDC | SBC, AAC, LDAC |
| Multipoint pairing | Yes | Yes |
| Latency | 45 ms | - |
| Wireless range | 10 m | - |
| Battery | ||
| Battery life | 13 h | 10 h |
| Battery life (ANC on) | 7.5 h | 7.5 h |
| Battery incl. case | 52 h | 40 h |
| Full charge time | 120 min | 90 min |
| Quick charge | 10 min = 10 h | 10 min = 1 h |
| Wireless charging | No | No |
| Features | ||
| Active noise cancelling | Yes | Yes |
| ANC type | adaptive | hybrid |
| Transparency mode | Yes | Yes |
| Companion app | Yes | Yes |
| Custom EQ | Yes | Yes |
| Wear detection | No | No |
| Controls | touch | touch |
| Voice assistant | Google Assistant | supports voice assistant |
| Design | ||
| Weight | 50 g | 4.5 g |
| Case weight | 40 g | - |
| Water resistance | IP55 | IPX5 |
| USB-C | Yes | Yes |
| Calls | ||
| Microphones | 6 | 6 |
| Call noise reduction | 6-mic AI call noise reduction | AI call noise reduction |
What reviewers said
Realme Buds Air 7
The Realme Buds Air 7 are budget-friendly true wireless earbuds that combine hybrid active noise cancellation with a punchy 12.4mm dynamic driver. They offer strong battery longevity, multipoint pairing, and a clear, natural sound profile with a bass-forward tilt, making them a versatile pick for everyday use under $50. With IP55 durability and LDAC support, they pack impressive features for the price.
- Pro:Excellent battery life, especially with the charging case
- Pro:Effective hybrid ANC for the price
- Pro:Supports LDAC and multipoint connectivity
- Con:Bass may feel overpowering for some listeners
- Con:No wireless charging support
- Con:Touch controls can be overly sensitive
Tronsmart Sounfii NC 2
The Tronsmart Sounfii NC 2 is a budget-friendly true wireless earbud that packs in hybrid active noise cancellation, LDAC support, and a long 40-hour total battery life with its charging case. It offers a robust feature set for the price, including Bluetooth 6.0, multipoint connectivity, six microphones for calls, and app-based EQ adjustments, making it a solid value pick for everyday use.
- Pro:Strong hybrid ANC for the price
- Pro:Long 40-hour total battery life
- Pro:LDAC support for high-res audio
- Con:No wireless charging support
- Con:No wear detection sensor
- 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.
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