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.
About This Earbuds
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.
- Form factor open-ear
- Driver type dynamic
- Wireless
- Bluetooth version 5.3
- Battery life hours 7
- Case battery hours 19.5
- Water resistance IPX4
- Multipoint
Overview
Performance
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 (28th percentile) 28th
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 (Black) |
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 | Technics EAH-AZ100 EAH-AZ100 | Sony WF-1000XM6 WF-1000XM6 | Sennheiser MOMENTUM True Wireless 4 | Samsung Galaxy Buds3 Pro SM-R630NZWAXAR | Apple AirPods Pro MFHP4LL/A |
|---|---|---|---|---|---|---|
| Form Factor | open-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | Dynamic | Dynamic | dynamic | Dynamic | Dynamic |
| 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 | 5.4 | 5.3 |
| Battery Life Hours | 7 | 8 | 8 | 30 | 6 | 8 |
| Case Battery Hours | 19.5 | 28 | 24 | 30 | 26 | 24 |
| Water Resistance | IPX4 | IPX4 | IPX4 | IP54 | IP57 | IP57 |
| 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 | 61.4 | 36.2 | 79 | 27.9 | 68.2 | 70.9 | 48.7 | 85.9 | 48.9 |
| Technics EAH-AZ100 EAH-AZ100 Compare | 96.6 | 96.9 | 79 | 99.1 | 79.1 | 93.4 | 91.9 | 99.1 | 89.3 |
| Sony WF-1000XM6 WF-1000XM6 Compare | 96.6 | 99.7 | 79 | 96.2 | 75.6 | 70.9 | 79.1 | 99.1 | 94.4 |
| Sennheiser MOMENTUM True Wireless 4 Compare | 96.6 | 99.7 | 33.4 | 91.9 | 97.5 | 93.4 | 91.9 | 90 | 89.3 |
| Samsung Galaxy Buds3 Pro SM-R630NZWAXAR Compare | 96.6 | 96.9 | 98.8 | 91.8 | 72.6 | 93.4 | 0 | 99.6 | 89.3 |
| Apple AirPods Pro MFHP4LL/A Compare | 96.6 | 80.5 | 98.8 | 83.3 | 75.6 | 70.9 | 0 | 97.8 | 99.3 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.