Promise A12
The built-in Type-C OTG connector allows direct charging from your phone, eliminating cable dependency, while Bluetooth 5.4 and 60-hour battery life ensure week-long endurance. The lightweight, memory-metal neckband design stays tangle-free and comfortable for all-day wear, with ENC microphones delivering clear call quality. These earbuds are best for commuters and office workers who prioritize uninterrupted battery life and a hassle-free, always-available fit over critical music listening.
Snapshot
Pros & Cons
Pros
- Strong battery (82nd percentile) 82nd
- Strong comfort (72nd percentile) 72nd
- Strong mic (70th percentile) 70th
Cons
- Below average user sentiment (9th percentile)
- Below average sound (30th percentile)
- Below average anc (32nd percentile)
- Below average build (35th 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 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 | neckband |
| Weight | 0.2 kg / 0.4 lbs |
Audio
| Codecs | Promise A12 Neckband Bluetooth 5.4 Earbuds – Wireless Headphones with Built-in Type-C OTG Connector, 60H Playtime, Fast Charging, Noise Cancelling, Magnetic & Lightweight Around-The-Neck Fit (Gold) |
Noise Control
| ANC | No |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
Earbud Battery
| Charge Time | 2 |
| Charging | USB-C |
Case Battery
| Case Battery | 60 |
| Case Charging | USB-C |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
Features
| Bone Conduction | No |
vs Competition
| Spec | Promise A12 | Technics EAH-AZ100 EAH-AZ100-K | Bose QuietComfort Ultra 896637-0010 | Sony WF-1000XM6 | JBL Live Beam 3 | EarFun Air Pro TW230B |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | - | dynamic | dynamic | dynamic | dynamic | dynamic |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Bluetooth Version | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 |
| Battery Life Hours | - | 8 | 6 | 8 | 12 | 9.5 |
| Case Battery Hours | 60 | 28 | 18 | 24 | 48 | 40 |
| Water Resistance | - | IPX4 | IPX4 | IPX4 | IP55 | IP55 |
| Multipoint | - | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Promise A12 | 31.6 | 69.7 | 34.6 | 30 | 81.6 | 71.6 | 9.2 | 61 | 56.1 |
| Technics EAH-AZ100 EAH-AZ100-K Compare | 97.3 | 97.2 | 80.7 | 99 | 81.6 | 71.6 | 92.1 | 99.1 | 80.3 |
| Bose QuietComfort Ultra 896637-0010 Compare | 97.3 | 91.2 | 80.7 | 96.7 | 47.1 | 94.2 | 92.1 | 97.9 | 89.6 |
| Sony WF-1000XM6 Compare | 97.3 | 99.8 | 80.7 | 88.6 | 78.4 | 71.6 | 49.9 | 97.9 | 80.3 |
| JBL Live Beam 3 Compare | 97.3 | 97.2 | 91.8 | 81.9 | 94.9 | 94.2 | 49.9 | 97.9 | 80.3 |
| EarFun Air Pro TW230B Compare | 90.1 | 97.2 | 91.8 | 89.3 | 87.9 | 71.6 | 97.1 | 93.2 | 89.6 |
Price
Value & Pricing
Amazon.com.mx 1 offer From MX$848
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
