Sony LinkBuds S WFLS900N/C
Weighing just 4.8 grams per earbud, the ultralight design provides exceptional comfort for all-day wear without fatigue. Its smart adaptive sound control seamlessly shifts between advanced noise canceling and ambient transparency based on your behavior and location. These are best for commuters and remote workers who prioritize a discreet, barely-there fit for long listening sessions and clear calls.
form factor in-ear
Wireless Yes
active noise cancellation Yes
battery life hours 6
case battery hours 20
water resistance IPX4
27 Overall Score
Price CA$0
Snapshot
Pros & Cons
Pros
- Strong anc (87th percentile) 87th
- Strong build (82nd percentile) 82nd
Cons
- Below average user sentiment (16th percentile)
- Below average battery (25th percentile)
- Below average comfort (29th percentile)
- Below average sound (32nd percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has held steady over time
65/100Our AI sentiment read
Based on 8 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | in-ear |
| Wearing Style | true wireless |
Audio
| Impedance | 1 |
Noise Control
| ANC | Yes |
| Transparency | Yes |
Connectivity
| Wireless | Yes |
Earbud Battery
| Battery Life | 6 |
| Fast Charging | 5-minute charge provides up to 60 minutes of playback |
Case Battery
| Case Battery | 20 |
Microphone
| Microphone | Yes |
Features
| Voice Assistant | Alexa |
| Touch Controls | Yes |
| Water Resistance | IPX4 |
vs Competition
| Spec | Sony LinkBuds S WFLS900N/C | Technics EAH-AZ100 EAH-AZ100-K | Bose QuietComfort Ultra 896637-0010 | Soundcore P31i | Google Pixel Buds Pro | EarFun Air Pro 4+ |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | - | dynamic | dynamic | dynamic | dynamic | hybrid |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | true | true | true | true | true | true |
| Bluetooth Version | - | 5.3 | 5.3 | 6.0 | 5.0 | 6.0 |
| Battery Life Hours | 6 | 8 | 6 | 10 | 11 | 12 |
| Case Battery Hours | 20 | 28 | 18 | 50 | 31 | 54 |
| Water Resistance | IPX4 | IPX4 | IPX4 | IP55 | IPX4 | IP55 |
| Multipoint | - | true | true | - | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Sony LinkBuds S WFLS900N/C | 86.9 | 44.8 | 81.5 | 31.6 | 24.6 | 29.4 | 15.8 | 55.8 | 52.7 |
| Technics EAH-AZ100 EAH-AZ100-K Compare | 97.5 | 97.5 | 81.5 | 99.1 | 83.1 | 73.3 | 92 | 99.2 | 80.7 |
| Bose QuietComfort Ultra 896637-0010 Compare | 97.5 | 92 | 81.5 | 97 | 49.4 | 94.6 | 92 | 98.1 | 89.8 |
| Soundcore P31i Compare | 90.8 | 97.5 | 92.1 | 97.4 | 94.7 | 73.3 | 97.1 | 87.8 | 89.8 |
| Google Pixel Buds Pro Compare | 97.5 | 84.2 | 81.5 | 93.8 | 86 | 73.3 | 97.1 | 95.8 | 89.8 |
| EarFun Air Pro 4+ Compare | 97.5 | 97.5 | 92.1 | 99.8 | 96.5 | 73.3 | 97.1 | 99.4 | 89.8 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
