Sony WH-CH520
Up to 50-hour battery life and a 3-minute quick charge yielding 1.5 hours of playback pair with DSEE audio restoration to elevate compressed tracks. Multipoint Bluetooth 5.2, customizable EQ via the companion app, and a lightweight build with soft earpads and silent joints provide day-long comfort and seamless switching between devices. These are best for budget-conscious listeners who prioritize marathon battery life and casual all-day wear for music and calls, not fitness use.
Snapshot
Pros & Cons
Pros
- Strong battery (98th percentile) 98th
- Strong social proof (98th percentile) 98th
- Strong connectivity (88th percentile) 88th
Cons
- Below average sound (27th percentile)
- Below average comfort (29th percentile)
- Below average anc (29th percentile)
- Below average build (34th 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.
Based on 200 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Wearing Style | headband |
Noise Control
| ANC | No |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.2 |
| Multipoint | Yes |
Earbud Battery
| Battery Life | 50 |
| Charge Time | 3 |
| Fast Charging | 5 minutes charging provides up to 4 hours of playback. |
| Charging | USB-C |
Case Battery
| Case Charging | USB-C |
Microphone
| Microphone | Yes |
Features
| Voice Assistant | Siri, Google Assistant |
| App | Sony | Headphones Connect App |
| Bone Conduction | No |
vs Competition
| Spec | Sony WH-CH520 | Technics EAH-AZ100 EAH-AZ100 | Samsung Galaxy Buds Buds3 Pro | Bose QuietComfort Ultra 896637-0010 | Apple AirPods Pro MFHP4LL/A | EarFun Air Pro Air Pro 4+ |
|---|---|---|---|---|---|---|
| Form Factor | - | 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 | false | true | true | true | true | true |
| Bluetooth Version | 5.2 | 5.3 | 5.4 | 5.3 | 5.3 | 6.0 |
| Battery Life Hours | 50 | 8 | 6 | 6 | 8 | 12 |
| Case Battery Hours | - | 28 | 26 | 18 | 24 | 54 |
| Water Resistance | - | IPX4 | IP57 | IPX4 | IP57 | IP55 |
| Multipoint | true | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Sony WH-CH520 | 29 | 34.9 | 33.5 | 26.9 | 98.1 | 28.9 | 88 | 97.7 |
| Technics EAH-AZ100 EAH-AZ100 Compare | 96.7 | 96.8 | 78.7 | 99 | 78.2 | 93.4 | 99.1 | 66.4 |
| Samsung Galaxy Buds Buds3 Pro Compare | 96.7 | 96.8 | 98.7 | 91.6 | 71.7 | 93.4 | 99.6 | 86.7 |
| Bose QuietComfort Ultra 896637-0010 Compare | 96.7 | 89.8 | 78.7 | 96.1 | 46.2 | 93.4 | 97.8 | 94.4 |
| Apple AirPods Pro MFHP4LL/A Compare | 96.7 | 79.8 | 98.7 | 89.1 | 74.7 | 71.4 | 97.8 | 99.7 |
| EarFun Air Pro Air Pro 4+ Compare | 96.7 | 96.8 | 91 | 99.7 | 95.5 | 71.4 | 99.3 | 86.7 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
