Apple S66
A 50-hour total battery life with a dual LED case display gives these earbuds exceptional endurance and at-a-glance power monitoring. Bluetooth 5.4 ensures one-step auto-pairing, while the IPX7 waterproof rating and 4-gram per bud weight provide comfortable, worry-free daily wear. They are best for budget-conscious users who need marathon playback for casual gaming and clear voice calls.
form factor in-ear
driver type dynamic
Wireless Yes
bluetooth version 5.4
battery life hours 8
case battery hours 50
water resistance IPX7
66 Overall Score
Price ¥0
Snapshot
Pros & Cons
Pros
- Strong user sentiment (92th percentile) 92th
- Strong battery (91th percentile) 91th
- Strong social proof (86th percentile) 86th
- Strong mic (80th percentile) 80th
Cons
- Below average anc (29th 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.
Owner sentiment has held steady over time
88/100Our AI sentiment read
Based on 22 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 | In-Ear |
| Ear Tips | l |
| Weight | 0.1 kg / 0.2 lbs |
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, Rose Gold |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
| Wired Connector | Bluetooth |
Earbud Battery
| Battery Life | 8 |
| Fast Charging | Yes |
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 | Sony WF-1000XM6 WF-1000XM6 | Technics EAH-AZ100 EAH-AZ100 | 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 |
| 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 | 24 | 28 | 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 | 28.9 | 80.1 | 33.3 | 58.8 | 90.7 | 70.6 | 91.9 | 75.9 | 86.1 |
| Sony WF-1000XM6 WF-1000XM6 Compare | 96.7 | 99.8 | 78.6 | 96 | 75.5 | 70.6 | 79.1 | 99 | 94.2 |
| Technics EAH-AZ100 EAH-AZ100 Compare | 96.7 | 96.8 | 78.6 | 99 | 78.9 | 93.3 | 91.9 | 99 | 64.6 |
| Samsung Galaxy Buds Buds3 Pro Compare | 96.7 | 96.8 | 98.7 | 91.7 | 72.5 | 93.3 | 79.1 | 99.6 | 86.1 |
| Bose QuietComfort Ultra 896637-0010 Compare | 96.7 | 90 | 78.6 | 96.2 | 46.9 | 93.3 | 91.9 | 97.7 | 94.2 |
| EarFun Air Pro Air Pro 4+ Compare | 96.7 | 96.8 | 91 | 99.8 | 95.9 | 70.6 | 97.3 | 99.3 | 86.1 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
