Blue Microphones i27
Featuring a 54-hour total battery life with the case, IPX7 waterproofing, and 140Ω drivers for detailed audio, these earbuds deliver endurance and clarity rarely found at this budget level. Bluetooth 5.4 with dual-channel transmission ensures instant pairing, while a 10-minute quick charge yields two hours of playback for daily convenience. They are best for commuters and casual runners who need a durable, long-lasting wireless set that handles rain and sweat without frequent recharges.
Snapshot
Pros & Cons
Pros
- Strong social proof (94th percentile) 94th
- Strong battery (92th percentile) 92th
- Strong connectivity (91th percentile) 91th
- Strong user sentiment (79th percentile) 79th
Cons
- Below average sound (27th 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 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 | Hook |
| Ear Tips | S, M, L |
| Weight | 0.1 kg / 0.2 lbs |
Audio
| Impedance | 140 |
| Codecs | Fast Charging, Lightweight |
Noise Control
| ANC | Yes |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
| Profiles | HSP, HFP, A2DP, AVRCP |
| Wired Connector | Bluetooth |
Earbud Battery
| Battery Life | 6 |
| Charge Time | 0.17 |
| Fast Charging | Yes |
| Charging | USB-C |
Case Battery
| Case Battery | 54 |
| Case Charging | USB-C |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
Features
| Voice Assistant | Siri, Google Assistant |
| Touch Controls | Yes |
| App | iOS |
| Water Resistance | IPX7 |
vs Competition
| Spec | Blue Microphones i27 | Technics EAH-AZ100 EAH-AZ100 | Sony WF-1000XM6 WF-1000XM6 | Samsung Galaxy Buds Buds3 Pro | Bose QuietComfort Ultra 896637-0010 | Apple AirPods Pro MFHP4LL/A |
|---|---|---|---|---|---|---|
| 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 | true | true | true | true | true | true |
| Bluetooth Version | 5.4 | 5.3 | 5.3 | 5.4 | 5.3 | 5.3 |
| Battery Life Hours | 6 | 8 | 8 | 6 | 6 | 8 |
| Case Battery Hours | 54 | 28 | 24 | 26 | 18 | 24 |
| Water Resistance | IPX7 | IPX4 | IPX4 | IP57 | IPX4 | IP57 |
| Multipoint | - | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Blue Microphones i27 | 70.3 | 65 | 33.5 | 26.9 | 92.1 | 71.4 | 79.1 | 91 | 94.4 |
| Technics EAH-AZ100 EAH-AZ100 Compare | 96.7 | 96.8 | 78.7 | 99 | 78.2 | 93.4 | 91.9 | 99.1 | 66.4 |
| Sony WF-1000XM6 WF-1000XM6 Compare | 96.7 | 99.8 | 78.7 | 86.6 | 74.7 | 71.4 | 79.1 | 99.1 | 94.4 |
| Samsung Galaxy Buds Buds3 Pro Compare | 96.7 | 96.8 | 98.7 | 91.6 | 71.7 | 93.4 | 79.1 | 99.6 | 86.7 |
| Bose QuietComfort Ultra 896637-0010 Compare | 96.7 | 89.8 | 78.7 | 96.1 | 46.2 | 93.4 | 91.9 | 97.8 | 94.4 |
| Apple AirPods Pro MFHP4LL/A Compare | 96.7 | 79.8 | 98.7 | 89.1 | 74.7 | 71.4 | 0 | 97.8 | 99.7 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
