Apple S66
A 13.4mm graphene diaphragm driver and Bluetooth 5.4 deliver bass-forward audio with stable connectivity, while the case’s LED display and 50-hour total battery life minimize recharging downtime. Hybrid ENC microphones passively eliminate 85% of background noise, and the IPX7-rated, 4-gram earbuds include a lanyard for lightweight, sweat-resistant portability. These are best for budget-minded commuters and call-heavy users who need all-day battery and clear voice pickup.
Snapshot
Pros & Cons
Pros
- Strong social proof (86th percentile) 86th
- Strong anc (83th percentile) 83th
- Strong battery (81th percentile) 81th
- Strong mic (80th percentile) 80th
Cons
- Below average comfort (28th percentile)
- Below average build (33th 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 13 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
| Driver Type | dynamic |
| Driver Size | 13.4 |
| Codecs | Wireless Earbuds, Bluetooth 5.4 Headphones with 50H Playback, Deep Bass Stereo Ear Buds Clear Calls with LED Power Display, IPX7 Waterproof, in-Ear Earphones with Mic for Phone/Android/iPad |
Noise Control
| ANC | Yes |
| ANC Type | hybrid |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
Earbud Battery
| Battery Life | 8 |
Case Battery
| Case Battery | 50 |
Microphone
| Microphone | Yes |
| Mic Count | 2 |
| NC Mic | Yes |
Features
| Touch Controls | Yes |
| Water Resistance | IPX7 |
vs Competition
| Spec | Apple S66 | Technics EAH-AZ100 EAH-AZ100 | Sony WF-1000XM6 WF-1000XM6 | Samsung Galaxy Buds Buds3 Pro | Bose QuietComfort Ultra 896637-0010 | EarFun Air Pro Air Pro 4+ |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | Dynamic | Dynamic | Dynamic | Dynamic | hybrid |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | true | true | true | true | true | true |
| Bluetooth Version | 5.4 | 5.3 | 5.3 | 5.4 | 5.3 | 6.0 |
| Battery Life Hours | 8 | 8 | 8 | 6 | 6 | 12 |
| Case Battery Hours | 50 | 28 | 24 | 26 | 18 | 54 |
| Water Resistance | IPX7 | IPX4 | IPX4 | IP57 | IPX4 | IP55 |
| Multipoint | - | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Apple S66 | 83.4 | 80.1 | 33.3 | 58.8 | 80.6 | 28.2 | 79.1 | 63.7 | 86 |
| Technics EAH-AZ100 EAH-AZ100 Compare | 96.7 | 96.8 | 78.6 | 99 | 78.9 | 93.3 | 91.9 | 99 | 64.6 |
| Sony WF-1000XM6 WF-1000XM6 Compare | 96.7 | 99.8 | 78.6 | 96 | 75.5 | 70.6 | 79.1 | 99 | 94.1 |
| Samsung Galaxy Buds Buds3 Pro Compare | 96.7 | 96.8 | 98.7 | 91.7 | 72.5 | 93.3 | 79.1 | 99.6 | 86 |
| Bose QuietComfort Ultra 896637-0010 Compare | 96.7 | 90 | 78.6 | 96.2 | 46.9 | 93.3 | 91.9 | 97.7 | 94.1 |
| EarFun Air Pro Air Pro 4+ Compare | 96.7 | 96.8 | 91 | 99.8 | 95.9 | 70.6 | 97.3 | 99.3 | 86 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
