Bose Ultra Open
The open-ear design combines Bose’s OpenAudio technology with Immersive Audio spatialized sound, backed by 7 hours of earbud playback (4 with Immersive Audio) and a case that totals 48 hours of portable power. Its flexible ear hook and IPX4-rated build provide a secure, comfortable fit for all-day wear while keeping you aware of your surroundings. These are best for runners and cyclists needing clear music and full environmental awareness during outdoor activity.
Snapshot
Pros & Cons
Pros
- Strong connectivity (86th percentile) 86th
- Strong build (79th percentile) 79th
- Strong comfort (71th percentile) 71th
- Strong battery (68th percentile) 68th
Cons
- Below average sound (27th 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 14 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | open-ear |
| Wearing Style | true wireless |
| Weight | 0.1 kg / 0.1 lbs |
Audio
| Driver Type | dynamic |
| Impedance | 32 |
| Codecs | Bose Ultra Open Bluetooth Earbuds, True Wireless Earbuds with OpenAudio for Awareness, Clip On Design for Comfort, Immersive Audio, Up to 48 Hrs of Playtime + 20W Wall Charger (Smoke White) |
Noise Control
| Transparency | Yes |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.3 |
| Multipoint | Yes |
Earbud Battery
| Battery Life | 7 |
| Fast Charging | USB-C cable included to charge the case |
| Charging | USB-C |
Case Battery
| Case Battery | 19.5 |
| Case Charging | USB-C |
| Wireless Charging | No |
Microphone
| Microphone | Yes |
Features
| Touch Controls | No |
| App | Bose Music |
| Bone Conduction | No |
| Water Resistance | IPX4 |
vs Competition
| Spec | Bose Ultra Open | Sony WF-1000XM6 WF-1000XM6 | Technics EAH-AZ100 EAH-AZ100 | Samsung Galaxy Buds Buds3 Pro | Apple AirPods Pro MFHP4LL/A | EarFun Air Pro Air Pro 4+ |
|---|---|---|---|---|---|---|
| Form Factor | open-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 | 5.3 | 5.3 | 5.3 | 5.4 | 5.3 | 6.0 |
| Battery Life Hours | 7 | 8 | 8 | 6 | 8 | 12 |
| Case Battery Hours | 19.5 | 24 | 28 | 26 | 24 | 54 |
| Water Resistance | IPX4 | IPX4 | IPX4 | IP57 | IP57 | IP55 |
| Multipoint | true | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Bose Ultra Open | 60.5 | 35.3 | 78.6 | 27.3 | 67.9 | 70.6 | 48.9 | 85.6 | 52 |
| 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 |
| Apple AirPods Pro MFHP4LL/A Compare | 96.7 | 80.1 | 98.7 | 89.2 | 75.5 | 70.6 | 0 | 97.7 | 99.7 |
| 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.
